Question: Olakunle "Kay" Banjo (born December 3, 1992) is an American soccer player who plays for the Pittsburgh Riverhounds in the United Soccer League (USL), formerly known as USL Pro, is a professional men's soccer league in the United States and Canada that began its inaugural season in what year?

Related documents: [0]  [DOC] The United Soccer League (USL), formerly known as USL Pro, is a professional men's soccer league in the United States and Canada that began its inaugural season in 2011. USL is sanctioned as a Division II Professional League by the United States Soccer Federation (U.S. Soccer), placing it under Major League Soccer (Division I) in the hierarchy. The USL is headquartered in Tampa. [END] 
[1]  [DOC] Olakunle "Kay" Banjo (born December 3, 1992) is an American soccer player who plays for the Pittsburgh Riverhounds in the USL. [END]  
Answer: 2011
2011