Definition: Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
Input: On 15 December 2015, Chanzeaux, La Chapelle-Rousselin, Chemille-Melay, Cosse-d'Anjou, La Jumelliere, Neuvy-en-Mauges, Sainte-Christine, Saint-Georges-des-Gardes, Saint-Lezin, La Salle-de-Vihiers, La Tourlandry and Valanjou merged becoming one commune called Chemille-en-Anjou.
