Question: The 2015 CrossFit Games were held at what multiple-use sports complex that is approximately 14 miles south of Downtown Los Angeles?

Passages:
Samantha "Sam" Briggs (born 14 March 1982) is a CrossFit athlete best known for winning the CrossFit Games in 2013.  She has qualified for the CrossFit Games four additional times: in 2010, 2011, 2015, and in 2016 (she failed to qualify in 2014 due to a poor performance on the handstand walk event at the European regional competition).  She finished four of her five appearances in the top 5 overall.  Briggs lived and trained in Miami, USA for the 2015 CrossFit season, but now resides in her native England. Tia-Clair Toomey (born 22 July 1993) is an Australian weightlifter and CrossFit Games athlete.  She competed in the women's 58 kg event at the 2016 Summer Olympics and came in 14th.  Also competing in the CrossFit Games, she was the winner of the 2017 CrossFit Games after being the runner-up in 2015 and 2016. United Sports (formerly known as United Sports Training Center) is a multiple-use sports complex located in Downingtown, PA, West Bradford Township, Pennsylvania.  The indoor venue consists of one boarded court, two boarded turf fields, and a large field house.  In addition, the outdoor venue consists of four turf fields and seven grass fields.  The main turf stadium seats 1,200.  United Sports' outdoor facility currently plays host to youth soccer club Continental FC (a merger of FC Delco and Spirit United).  FC Delco produced players such as Ben Olsen, Jeff Parke, and Jeff Larentowicz, among others.  United Sports previously hosted the practices and training camps of the Philadelphia Wings of the National Lacrosse League and the Philadelphia Independence of Women's Professional Soccer, and was formerly home to the Philadelphia Barrage of Major League Lacrosse and the Philadelphia Pirates of the Women's Premier Soccer League. Altadena is an unincorporated area and census-designated place in Los Angeles County, California, United States, approximately 14 miles (23 km) from the downtown Los Angeles Civic Center, and directly north of the city of Pasadena, California.  The population was 42,777 at the 2010 census, up from 42,610 at the 2000 census. Junípero Serra High School is a private, Roman Catholic high school in Gardena, California, United States, a suburban city located 14 miles southwest from downtown Los Angeles.  Honored as a State School of the Year, Serra is operated by the Roman Catholic Archdiocese of Los Angeles. Burridge is a small village in the Borough of Fareham, in the south of Hampshire, England.  It lies approximately 14 miles south of Winchester on the A3051 between Botley and Park Gate, to the north of Sarisbury and to the west of Whiteley.  It was formerly known as Caiger's Green. The 2015 CrossFit Games were held on July 21–26, 2015 at the StubHub Center in Carson, California.  Ben Smith, of Virginia, was the men's winner.  A Games competitor every year since 2009, this was his first win (he placed third in 2011 and 2013).  Smith secured the win in a dramatic final event by holding off 2014's second-place finisher Mat Fraser who many had predicted would be the 2015 champion.  Iceland's Katrin Davidsdottir, making her third Games appearance, was the women's winner, overtaking countrywoman Ragnheiður Sara Sigmundsdottir, who led for much of the competition, in the final event.  CrossFit Mayhem Freedom from Cookeville, Tennessee, captained by four-time individual men's champion Rich Froning Jr., won the Affiliate Cup. Carson is a city in Los Angeles County, California.  As of the 2010 census, Carson had a population of 91,714.  Located 13 mi south of downtown Los Angeles and approximately 14 miles away from the Los Angeles International Airport.  Incorporated on February 20, 1968, Carson is the youngest municipality in the South Bay region of Metropolitan Los Angeles. StubHub Center, formerly the Home Depot Center, is a multiple-use sports complex on the West Coast of the United States, located on the campus of California State University, Dominguez Hills in Carson, California.  It is approximately 14 mi south of Downtown Los Angeles and its primary tenant is the LA Galaxy of Major League Soccer. Mathew "Mat" Fraser (born 1990) is an American professional CrossFit athlete known for winning the 2016 and 2017 CrossFit Games and taking second place at the 2014 and 2015 CrossFit Games.  After a strong performance in 2014, and the retirement of 4-time defending champion Rich Froning Jr., he was a favorite to win in 2015, but was edged out in the final event by Ben Smith.  The following year, Fraser took first place by a commanding margin, and Smith took second.

Supporting sentences:
StubHub Center, formerly the Home Depot Center, is a multiple-use sports complex on the West Coast of the United States, located on the campus of California State University, Dominguez Hills in Carson, California.  It is approximately 14 mi south of Downtown Los Angeles and its primary tenant is the LA Galaxy of Major League Soccer.