Question: Which city, located in east-central France, held a 2015 international pastry contest?
Sentence (from "2015 World Pastry Cup"): The 2015 World Pastry Cup (French:Coupe du Monde de la Pâtisserie 2015) is an international pastry contest which took place in 25–26 January 2015 in Lyon, France.
Relevant evidence: Yes