Question: Which city, located in east-central France, held a 2015 international pastry contest?

Context articles: Lyon
France in the Eurovision Song Contest 2015
2015 International Cup of Nice
Alain Roby
2015 Sydney Motorsport Park Super Sprint
2015 World Pastry Cup
World Pastry Cup
Mâcon
Chicago School of Mold Making
Gennady Korotkevich

Lyon ( or ; ] , ] ; Arpitan: "Liyon" ] ), also known as "Lyons" , is a city in east-central France, in the Auvergne-Rhône-Alpes region, about 470 km from Paris, 320 km from Marseille and 55 km from Saint-Étienne.
 Inhabitants of the city are called "Lyonnais".
France participated in the Eurovision Song Contest 2015 with the song "N'oubliez pas", written by Moïse Albert, Michel Illouz and Laure Izon.
 The song was performed by Lisa Angell, who was selected by French broadcaster France Télévisions in collaboration with the France 2 channel in January 2015 to represent the nation at the 2015 contest in Vienna, Austria.
 As a member of the "Big 5" (France, Germany, Italy, Spain and the United Kingdom), France competed directly in the final on 23 May 2015 and did not have to qualify from one of two semi-finals held on 19 May and 21 May.
 However, France was obligated to vote in the first semi-final.
 In France's fifty-sixth Eurovision appearance on 23 May, "N'oubliez pas" finished in twenty-fifth place out of 27 competing songs with 4 points.
The 2015 International Cup of Nice (French: "2015 Coupe Internationale de Nice" ) was an international figure skating competition in the 2015–16 season.
 Held in Nice, France on 14–18 October 2015, it was the 20th edition of the annual event.
 Medal were awarded in the disciplines of men's singles, ladies' singles, pair skating, and ice dancing on the senior level, and in singles on the junior level.
Alain Roby, holder of three Guinness World Records, is an international pastry chef guru and has also won over twenty culinary awards throughout his career.
 He is also the owner and proprieter of All Chocolate Kitchen, a chocolate and pastry shop located in Geneva, IL.
The 2015 Sydney Motorsport Park Super Sprint was a motor race for V8 Supercars held on the weekend of 21 - 23 August 2015.
 The event was held at the Sydney Motorsport Park in Sydney, New South Wales, and consisted of two sprint races, each over a distance of 60 km and one endurance race over a distance of 200 km .
 It was the eighth round of fourteen in the 2015 International V8 Supercars Championship.
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.
The World Pastry Cup (French:Coupe du Monde de la Pâtisserie) is an international pastry contest taking place every two years in Lyon, France.
Mâcon (] ), historically anglicized as Mascon, is a small city in east-central France.
 It is the prefecture of the department of Saône-et-Loire in Bourgogne-Franche-Comté.
 Mâcon is home to over 34,000 residents, who are referred to in French as "Mâconnais."
The Chicago School of Mold Making is a professional food-grade hand-made mold making business based located in Oak Park, Illinois.
 The business focuses on silicone molds for chocolate and sugar sculptures.
 The business's school trains chefs to compete in international pastry competitions.
 The school was founded in 2002 and updated to a 5,300-square-foot space in 2010.
 It is staffed by eight people, and the molds are made in a 1,700-square-foot basement workshop.
 Michael Joy, a Master Mold Maker, is the school's principal.
Gennady Korotkevich (Belarusian: Генадзь Караткевіч , Hienadź Karatkievič, Russian: Геннадий Короткевич ; born 25 September 1994), is a Belarusian sport programmer who has won major international competitions since age 11, as well as numerous national competitions.
 His top accomplishments include six consecutive gold medals in the International Olympiad in Informatics as well as the world championship in the 2013 and 2015 International Collegiate Programming Contest World Finals.
 As of July 2016, Korotkevich is currently the highest-rated programmer at Codeforces, and the second highest rated algorithm competitor at TopCoder.
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