Question: What date was the football team founded that Melvin Gordon plays for?

Context paragraphs:
Los Angeles Chargers: The Los Angeles Chargers are a professional American football team based in the Greater Los Angeles Area.  The Chargers compete in the National Football League (NFL) as a member club of the league's American Football Conference (AFC) West division.  The team was founded on August 14, 1959 and began play on September 10, 1960 as a charter member of the American Football League (AFL), and spent its first season in Los Angeles, before moving to San Diego in 1961 to become the San Diego Chargers.  The Chargers joined the NFL as result of the AFL–NFL merger in 1970, and played their home games at Qualcomm Stadium.  The return of the Chargers to Los Angeles was announced for the 2017 season, just one year after the Rams had moved back to the city from St. Louis.  The Chargers will play their home games at the StubHub Center until the opening in 2020 of the Los Angeles Stadium at Hollywood Park, which they will share with the Rams.

Trenton Lightning: The Trenton Lightning were an indoor professional football team founded in 2000 by owner/general manager, Phillip J. Subhan and local businessman, Kenneth Samu.  The team started the 2001 season in the Indoor Professional Football League (IPFL) and were led by head coach (ex-NFL RB) Vaughn Hebron (played for the Philadelphia Eagles, Denver Broncos and Indianapolis Colts) and the team played its home games at the Sovereign Bank Arena, capacity 7,605 in Trenton, NJ.  The team was originally scheduled for a 16-game season (eight home and eight away games), But, the team was to fold after only 6 games.  The team's Director of Football operations was Marty Yukichak and the team had a front office staff of seven others in addition to a coaching staff of eight, including Hebron.  The team's defensive coordinator was Chuck Murphy and offensive coordinator was Tom Cocuzza.

Vitória S.C. B: Vitória Guimarães B is a Portuguese football team founded in 2012.  They are the reserve team of Vitória Guimarães.  Reserve teams in Portugal play in the same league system as the senior team, rather than in a reserve team league.  However, they cannot play in the same division as their senior team, so Vitória B is ineligible for promotion to the Primeira Liga and cannot play in the Taça de Portugal and Taça da Liga.

2014–15 Vitória S.C. B season: Vitória Guimarães B is a Portuguese football team founded in 2012.  They are the reserve team of Vitória Guimarães.  Reserve teams in Portugal play in the same league system as the senior team, rather than in a reserve team league.  However, they cannot play in the same division as their senior team, so Vitória B is ineligible for promotion to the Primeira Liga and cannot play in the Taça de Portugal and Taça da Liga.

Kerala Blasters FC results by opponent: The Kerala Blasters FC is an Indian football team founded in 2014, after the state of Kerala was awarded a Indian Super League (ISL) franchise.  The team began playing competitive football in the 2014 Indian Super League season.  They plays their home games at the Jawaharlal Nehru Stadium in Kochi.

C.D. Feirense: Clube Desportivo Feirense, commonly known as CD Feirense or just Feirense, is a Portuguese football team founded on 19 March 1918 from the town of Santa Maria da Feira.  Feirense plays in the Primeira Liga, the top flight of Portuguese football.  Their chairman is Rodrigo Nunes Silva Abelha and their manager is Nuno Manta Santos .  The club plays its home matches at the Estádio Marcolino de Castro with a capacity of 5,500 spectators.

List of Kerala Blasters FC players: The Kerala Blasters FC are an Indian football team founded in 2014, after the state of Kerala was awarded an Indian Super League (ISL) franchise.  Kerala Blasters began playing competitive football in the 2014 season.  The team plays their home games at the Jawaharlal Nehru Stadium.

Markaz Balata: Markaz Shabab Balata (Balata Youth Center, Arabic: مركز شباب بلاطة‎ ‎ ) is a Palestinian football team founded in 1954 and based in the Balata refugee camp in Nablus, that plays in the West Bank Premier League.  It won promotion to the WBPL in 2010.

Staten Island Stapletons: The Staten Island Stapletons also known as the Staten Island Stapes were a professional American football team founded in 1915 that played in the National Football League from 1929 to 1932.  The team was based in the Stapleton section of Staten Island.  They played under the shortened nickname the "Stapes" the final two seasons.  Jack Shapiro, who was a blocking back for the Stapletons, was the shortest player in NFL history.  The team was based in Staten Island, New York.

Melvin Gordon: Melvin Gordon III (born April 13, 1993) is an American football running back for the Los Angeles Chargers of the National Football League (NFL).  He played college football at Wisconsin, and was drafted by the Chargers in the first round of the 2015 NFL Draft.

Supporting paragraphs: Melvin Gordon Los Angeles Chargers
Answer: August 14, 1959