Task: Question Generation
Input (English): Context : On 15 December 2015, Chanzeaux, La Chapelle-Rousselin, Chemillé-Melay, Cossé-d’Anjou, La Jumellière, Neuvy-en-Mauges, Sainte-Christine, Saint-Georges-des-Gardes, Saint-Lézin, La Salle-de-Vihiers, La Tourlandry and Valanjou merged becoming one commune called Chemillé-en-Anjou. 
Answer : Chemillé-en-Anjou
Output (English): By what was La Chapelle-Rousselin replaced?