diff --git a/exercises/tabular_split_apply_combine/split_apply_combine_solution.ipynb b/exercises/tabular_split_apply_combine/split_apply_combine_solution.ipynb
index 725b471..eb103ed 100644
--- a/exercises/tabular_split_apply_combine/split_apply_combine_solution.ipynb
+++ b/exercises/tabular_split_apply_combine/split_apply_combine_solution.ipynb
@@ -18,7 +18,7 @@
     "%matplotlib inline\n",
     "\n",
     "import matplotlib.pyplot as plt\n",
-    "import pandas as pd\n"
+    "import pandas as pd"
    ]
   },
   {
@@ -104,6 +104,7 @@
        "      <th>toevent</th>\n",
        "      <th>event</th>\n",
        "      <th>group</th>\n",
+       "      <th>City</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
@@ -126,6 +127,7 @@
        "      <td>5.538672</td>\n",
        "      <td>No</td>\n",
        "      <td>MedDiet + VOO</td>\n",
+       "      <td>Madrid</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>1</th>\n",
@@ -146,6 +148,7 @@
        "      <td>3.063655</td>\n",
        "      <td>No</td>\n",
        "      <td>MedDiet + Nuts</td>\n",
+       "      <td>Madrid</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2</th>\n",
@@ -166,6 +169,7 @@
        "      <td>5.590691</td>\n",
        "      <td>No</td>\n",
        "      <td>MedDiet + Nuts</td>\n",
+       "      <td>Madrid</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>3</th>\n",
@@ -186,6 +190,7 @@
        "      <td>5.456537</td>\n",
        "      <td>No</td>\n",
        "      <td>MedDiet + VOO</td>\n",
+       "      <td>Madrid</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>4</th>\n",
@@ -206,6 +211,7 @@
        "      <td>2.746064</td>\n",
        "      <td>No</td>\n",
        "      <td>Control</td>\n",
+       "      <td>Madrid</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -219,12 +225,12 @@
        "3           4            1  Female   77  Never  29.26     93  0.628378  Yes   \n",
        "4           5            1  Female   60  Never  30.02    104  0.662420  Yes   \n",
        "\n",
-       "  diab hyperchol famhist hormo  p14   toevent event           group  \n",
-       "0   No       Yes     Yes    No    9  5.538672    No   MedDiet + VOO  \n",
-       "1   No       Yes     Yes   NaN   10  3.063655    No  MedDiet + Nuts  \n",
-       "2  Yes        No      No    No    6  5.590691    No  MedDiet + Nuts  \n",
-       "3  Yes        No      No    No    6  5.456537    No   MedDiet + VOO  \n",
-       "4   No       Yes      No    No    9  2.746064    No         Control  "
+       "  diab hyperchol famhist hormo  p14   toevent event           group    City  \n",
+       "0   No       Yes     Yes    No    9  5.538672    No   MedDiet + VOO  Madrid  \n",
+       "1   No       Yes     Yes   NaN   10  3.063655    No  MedDiet + Nuts  Madrid  \n",
+       "2  Yes        No      No    No    6  5.590691    No  MedDiet + Nuts  Madrid  \n",
+       "3  Yes        No      No    No    6  5.456537    No   MedDiet + VOO  Madrid  \n",
+       "4   No       Yes      No    No    9  2.746064    No         Control  Madrid  "
       ]
      },
      "execution_count": 27,