Question: At which stadium did Ashley Spencer earn her Olympic bronze medal?

Context paragraphs:
Lorenzo Bosisio: Lorenzo Bosisio (born 24 September 1944) is a retired Italian road and track cyclist.  On the road he won a team bronze medal at the 1967 World Championships.  Next year he had his best achievements on track, winning an Olympic bronze medal and a world title in the team pursuit, as well as a bronze medal in the individual pursuit at the world championships.

Athletics at the 2016 Summer Olympics: Athletics at the 2016 Summer Olympics were held during the last 10 days of the games, from 12–21 August 2016, at the Olympic Stadium.  The sport of athletics in the 2016 Summer Olympics was split into three distinct sets of events: track and field events, road running events, and racewalking events.

Shamil Kudiyamagomedov: Shamil Magomedovich Kudiyamagomedov (Russian: Шамиль Магомедович Кудиямагомедов ; born May 9, 1993 in Dagestan) is a Russian amateur wrestler of Avar heritage, who won the gold medal in men's freestyle 86 kg at the 2015 Military World Games.  He is Russian national champion 2013, silver medalist of Summer Universiade 2013 in Kazan.  Junior World Championships bronze medalist 2012.  He won bronze medal with an injured leg.  International Master of Sports in Freestyle Wrestling.  He competed in the freestyle 84 kg event at the 2013 World Wrestling Championships, after defeated Adrian Jaoude from Brazil in the Round of 64, he was eliminated by Olympic bronze medalist Ehsan Lashgari in the Round of 32.  In 1/2 final European Championships U23 he lost 7-6 his teammate of Magomedgadzhi Khatiyev, but went on to wrestle back and win a bronze medal against Fatih Erdin of Turkey.  At the Memorial Heydar Aliyev 2014 (Golden Grand Prix Baku) he beat in final Ehsan Lashgari.  In 2016 he won European Championships.

Ioseb Chugoshvili: Ioseb Ivanesh Chugoshvili (Georgian: იოსებ ივანეს ჩუგოშვილი ; born July 29, 1986 in Telavi, Georgia) is an amateur Belarusian Greco-Roman wrestler of Georgian origin, who competes in the men's super heavyweight category.  Chugoshvili represented Belarus at the 2012 Summer Olympics in London, where he competed in the 120 kg class, an event which was dominated by defending Olympic champion Mijaín López of Cuba.  He was eliminated in his first preliminary match against Estonia's Heiki Nabi, with a technical score of 1–4 after two periods, and a classification score of 1–3.  Because Nabi advanced further into the final match against López, Chugoshvili offered another shot for an Olympic bronze medal through the repechage bouts.  He first defeated Poland's Łukasz Banak, but lost the bronze medal match to Sweden's Johan Euren, who stopped him with a par terre position in order to score a point each in two out of three periods.

Eric Verdonk: Eric Verdonk (born 28 May 1959 in Taihape, New Zealand of Dutch descent) is a former New Zealand rower who won an Olympic bronze medal at the 1988 Summer Olympics in Seoul in the single sculls.  Verdonk almost repeated his bronze medal effort at the 1992 Summer Olympics in Barcelona finishing a very close fourth.  At the 1986 Commonwealth Games in Edinburgh Verdonk also gained a bronze medal in a race won by rowing legend Steve Redgrave.  His best effort at a World Rowing Championships, in 1990 in Tasmania, Australia, was third.

Calistrat Cuțov: Calistrat Ilie Cuţov (born 10 October 1948) is a retired Romanian boxer.  He won the European lightweight title in 1969 and an Olympic bronze medal in 1968.  He also competed in the light-welterweight division at the 1972 and 1976 Olympics, but was eliminated before reaching semifinals.  He retired after winning a bronze medal at the 1977 European Championships, with a record of 11 losses out of 398 bouts.  Since 1981 he works as a boxing coach.  His trainees include Daniel Dumitrescu.  His brother Simion was also an Olympic medalist in boxing.

Toller Cranston: Toller Shalitoe Montague Cranston, CM (April 20, 1949 – January 24, 2015) was a Canadian figure skater and painter.  He won the 1971–1976 Canadian national championships, the 1974 World bronze medal and the 1976 Olympic bronze medal.  Despite never winning at the World Figure Skating Championships due to his poor compulsory figures, he won the small medal for free skating at the 1972 and 1974 championships.  Cranston is credited by many with having brought a new level of artistry to men's figure skating.

Iraq at the Olympics: Iraq first participated at the Olympic Games in 1948.  Iraqis missed the 1952 and boycotted the 1956 games over opposition to the Suez Crisis.  Following this absence, Iraq returned to win a Bronze medal at the 1960 Summer Olympics in Rome.  They participated in the next three games but once again did not appear in the 1972 and 1976 games to boycott apartheid South Africa.  In joining the 1976 Boycott, Iraq became only the second non-African state to participate in the boycott (the other being Guyana).  Since 1980, Iraq has appeared in every game despite the Iraq Wars.  On April 9, 2003 the National Olympic Committee of Iraq building in Baghdad was damaged in looting and fires from looters.  Iraq's Olympic program recovered in time to compete in the Athens Olympics the following year, and the Iraq football team almost won a bronze medal but were defeated by Italy in the bronze medal match.  Iraq has never competed at the Winter Olympic Games.

Paolo Vidoz: Paolo Vidoz (born 21 August 1970 in Gorizia) is a retired boxer from Italy, who won the Olympic bronze medal, twice won the bronze medal at the World Amateur Boxing Championships: 1997 and 1999 and also won a silver medal at the European Championships.

Ashley Spencer (athlete): Ashley Spencer (born June 8, 1993) is an American track and field athlete who competes in the 400 metres and the 400 metres hurdles.  In the 400m hurdles, she is the 2016 Olympic bronze medalist.  In the 400m, she is the 2012 World Junior Champion and the 2016 World Indoor silver medalist.  She is coached by 1996 Olympic bronze medalist Tonya Buford-Bailey.

Supporting paragraphs: Ashley Spencer (athlete) Athletics at the 2016 Summer Olympics
Answer: Olympic Stadium