Question: In which city did Mayra Olvera play in the 2015 Women’s World Cup?

full_context: Document 1: Mayra Olvera: Mayra Olvera (born 22 August 1992) is an Ecuadorian professional footballer. She was part of the Ecuadorian squad for the 2015 FIFA Women's World Cup.
Document 2: Mariana Kovacevic: Mariana Kovacevic is a Serbian traditional healer who has specialized in the use of horse placenta treatment to heal athletes. During the duration of the 2012 African Cup of Nations in Gabon and Equatorial Guinea she used the horse placenta treatment to heal Ghana's Asamoah Gyan, who had been injured and was supposed to be off football for four weeks. She is reported to have nursed him back to health in four hours. She was also reportedly enlisted by the Serbia during the world of 2010 in south Africa. Other footballers who are reported to have been treated by Mariana include Pablo Zabaleta, Vincent Kompany, Nigel de Jong and Robin Van Persie of Manchester United. There has been some doubt as to whether Mariana's therapies work. But more footballers are turning to her for help.
Document 3: 2015 Pan American Games: The 2015 Pan American Games, officially the XVII Pan American Games and commonly known as the Toronto 2015 Pan-Am Games (French: "Jeux panaméricains de 2015 à Toronto" ), were a major international multi-sport event celebrated in the tradition of the Pan American Games, as governed by Pan American Sports Organization (PASO). The games were held from July 10 to 26, 2015 in Toronto, Ontario, Canada; preliminary rounds in certain events began on July 7, 2015. These were the third Pan American games hosted by Canada, and the first in the province of Ontario. The Games were held at venues in Toronto and seventeen other Golden Horseshoe communities. The Pan American Games and 2015 Parapan American Games were organized by the Toronto Organizing Committee for the 2015 Pan and Parapan American Games (TO2015).
Document 4: Sydney Leroux: Sydney Rae Leroux Dwyer (born May 7, 1990) is a professional soccer player and Olympic gold medalist. As a forward, she is signed by FC Kansas City in the National Women's Soccer League (NWSL). After representing Canada at various youth levels, she chose to play for the United States women's national under-20 soccer team starting in 2008 and later began playing for the U.S. senior national team in 2012. Leroux has earned over 75 caps with the senior national team and was part of the Americans' winning squads at the 2012 London Olympics and 2015 Women's World Cup.
Document 5: 2015 NORCECA Women's Champions Cup (Final Four): The 2015 Women's NORCECA Champions Cup (Final Four) was played from June 5 to June 7 in Havana, Cuba. The Dominican Republic won the tournament and together with Cuba, both qualified for the 2015 FIVB Volleyball Women's World Cup in Japan.
Document 6: Yolanda Mateos: Yolanda Mateos Franco (born in 1972) is a Spanish former footballer who played as a winger for Eibartarrak FT, Levante UD and CE Sabadell in the Superliga. She was a member of the Spanish national team, and she took part in the 1997 European Championship. She scored the goal in the qualifying play-offs against England that qualified Spain for the tournament for the first time.
Document 7: 2015 FIFA U-20 World Cup: The 2015 FIFA U-20 World Cup was the twentieth edition of the U-20 World Cup since its inception in 1977 as the FIFA World Youth Championship. The competition took place for the first time in New Zealand, the third time on Oceanian soil after Australia staged the 1981 and 1993 editions. A total of 52 matches were played in seven host cities.
Document 8: Antonio Valencia: Luis Antonio Valencia Mosquera, commonly known as Antonio Valencia (] ; born 4 August 1985), is an Ecuadorian professional footballer who plays as a right winger and right-back for Manchester United and the Ecuador national team.
Document 9: 2015 Mar del Plata Sevens: The 2015 Mar del Plata Sevens was the XIX edition of the tournament. Three categories of dispute took place in January 10 and 11, 2015: the International, with six national teams, the men's qualifying tournament for the 2015 Pan American Games in Toronto, Canada, with 2 spots available to be decided between five national teams and the women's qualifying tournament for 2015 Toronto with 2 spots for seven national teams. All matches will take place in Aldovisi club's premises.
Document 10: 2002 FIFA U-19 Women's World Championship: The 2002 FIFA U-19 Women's World Championship was held from August 17 to September 1. It was the first sanctioned youth tournament for women put together by FIFA. The tournament was hosted by Canada. FIFA granted the tournament to Canada in March 2001. Three cities hosted the tournament, Edmonton, Vancouver, and Victoria. Canada's Christine Sinclair was the Adidas Golden Ball recipient, as tournament MVP, and the Golden Shoe (with 10 goals) winner.
Document 11: 2015 World Junior Ice Hockey Championships: The 2015 IIHF World Junior Championships was the 39th edition of World Junior Ice Hockey Championship, played from December 26, 2014 to January 5, 2015. It was co-hosted by Toronto, Ontario and Montreal, Quebec, Canada, and organized by Hockey Canada, Hockey Quebec, the Ontario Hockey Federation, the Montreal Canadiens, Maple Leafs Sports and Entertainment and Evenko. Games were split between Air Canada Centre in Toronto and Bell Centre in Montreal, with Montreal hosting Group A matches and two quarter finals, and Toronto hosting Group B, along with the relegation games, two quarter finals, along with the semi-finals, bronze medal, and gold medal games.
Document 12: Mia Hamm: Mariel Margaret Hamm-Garciaparra (born March 17, 1972) is a retired professional soccer player, two-time Olympic gold medalist, and two-time FIFA Women's World Cup champion. Hailed as a soccer icon, she played as a forward for the United States women's national soccer team from 1987–2004. Hamm was the face of the Women's United Soccer Association (WUSA), the first professional women's soccer league in the United States, where she played for the Washington Freedom from 2001–2003. She played college soccer for the North Carolina Tar Heels women's soccer team and helped the team win four consecutive NCAA Division I Women's Soccer Championship titles.
Document 13: 2015 FIFA Women's World Cup: The 2015 FIFA Women's World Cup was the seventh FIFA Women's World Cup, the quadrennial international women's football world championship tournament. In March 2011, Canada won the right to host the event, the first time the country would host the tournament and the third time it has been held in North America. Matches were played in six cities across Canada in five time zones. The tournament began on 6 June 2015, and finished with the finals on 5 July 2015 with a United States victory over Japan.
Document 14: 2007 FIFA U-20 World Cup: The 2007 FIFA U-20 World Cup was the sixteenth edition of the FIFA U-20 World Cup (formerly called FIFA World Youth Championship), hosted by Canada from 30 June to 22 July 2007. Argentina defeated Czech Republic in the title game by the score of 2–1, thus managing a back-to-back world title, its fifth in the past seven editions, and sixth overall. Argentine player Sergio Agüero was given the FIFA U-20 Golden Shoe (top scorer, with six goals) and the FIFA U-20 Golden Ball (best player of the tournament), while Japan earned the FIFA Fair Play Award.
Document 15: Nuestra Belleza Paraguay 2015: The Nuestra Belleza Paraguay 2015 pageant was held on September 21, 2015. Sally Jara, Miss Universo Paraguay 2014, crowned her successor Laura Garcete at the end of the event; she was the Paraguayan candidate for the 2015 Miss Universe pageant. Elected to represent Paraguay at Miss World 2015 was Giovanna Cordeiro, for Miss International 2015 was Mónica Mariani, and for Miss Earth 2015 was Myriam Arévalos. The pageant was not broadcast live for the first time in a long time.
ground_truth: Canada