Question: What date was the football team founded that Melvin Gordon plays for?
Sentence (from "Los Angeles Chargers"): 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.
Relevant evidence: Yes