Question: When did the league Ottawa Fury FC moved to in 2017 begin its inaugural season?

Context paragraphs:
Ottawa Fury (2005–13): The Ottawa Fury were a Canadian soccer team based in Ottawa, Ontario.  The team played in the USL Premier Development League (PDL) from 2005 to 2013.  The organization joined the North American Soccer League (NASL) as Ottawa Fury FC beginning in the 2014 season.  The team's home stadium was the Algonquin College soccer complex; its colours were white, red and blue.

Marc Dos Santos: Marc Dos Santos (born May 26, 1977) is a Canadian soccer manager with experience in the United Soccer League, North American Soccer League, and Major League Soccer.  He currently is the manager of the San Francisco Deltas of the North American Soccer League, beginning play in the 2017 season.  Most recently, he was the manager of the Swope Park Rangers of the United Soccer League, an affiliate of Sporting Kansas City of Major League Soccer.  The North American Soccer League Coach of the Year in 2015, Dos Santos led the Ottawa Fury FC to the NASL Championship Final after a first-place finish in the Fall Season.  Previously, he focused on youth initiatives in Brazil with FC Primeira Camisa (U-20's) and SE Palmeiras (U-15's), culminating with a Copa do Brasil Sub-15 championship and a technical director position with Desportivo Brasil.  The Montreal native was first hired by the Montreal Impact in January 2007 to lead the club's reserve team, Trois-Rivieres Attak FC, in the Canadian Soccer League.  After leading the squad to titles in their initial two seasons – first as 2007 Open Canada Cup champions, then as 2008 CSL National Division champions – Dos Santos was added to the Impact's technical staff as an assistant coach in June 2008 and became head coach in May 2009.  During his tenure, the Impact won the inaugural Canadian Championship in 2008 to claim the Voyageurs Cup and a berth in the 2008-09 CONCACAF Champions League.  Dos Santos then led Montreal through three different leagues in consecutive campaigns, winning the USL First Division title in 2009 before transitioning into USSF Division 2 in 2010 and the North American Soccer League in 2011.

Ottawa Fury Women: Ottawa Fury Women was a Canadian women's soccer team, founded in 2003.  The team was a member of the United Soccer Leagues USL W-League, the second tier of women’s soccer in the United States and Canada.  The team competed in the W-League's Central Conference with the rest of the league's Canadian clubs.  The team is a part of the Ottawa Fury Football Club, which also includes the Fury FC men's team which competes in the North American Soccer League, the Ottawa Fury FC Men's Academy which competes in the USL PDL, as well as several other men's and women's Academy teams of all age levels.  Through the Ottawa Fury FC, it was part of the Ottawa Sports and Entertainment Group, owned by Jeff Hunt.  On December 3, 2014, the parent club decided to disband the women's team, days ahead of the 2015 FIFA Women's World Cup official draw in Ottawa.

Ottawa Fury FC: Ottawa Fury Football Club is a Canadian professional soccer club based in Ottawa, Ontario.  Founded in 2011, and named on February 26, 2013, the team made its debut in the North American Soccer League in 2014.  It moved to the United Soccer League in 2017 as the affiliate of the Major League Soccer club Montreal Impact.  The team also competes for the Canadian Championship.

2015 Canadian Championship: The 2015 Canadian Championship (officially the Amway Canadian Championship for sponsorship reasons) was a soccer tournament hosted and organized by the Canadian Soccer Association.  It was the eighth edition of the annual Canadian Championship, and took place in the cities of Edmonton, Montreal, Ottawa, Toronto and Vancouver in 2015.  The participating teams were Ottawa Fury FC and FC Edmonton of the North American Soccer League, the second-level of the Canadian Soccer Pyramid, and Montreal Impact, Toronto FC and Vancouver Whitecaps FC of Major League Soccer, the first-level of Canadian club soccer.  Montreal Impact were the two-time defending champions.

2014 Canadian Championship: The 2014 Canadian Championship (officially the Amway Canadian Championship for sponsorship reasons) was a soccer tournament hosted and organized by the Canadian Soccer Association that took place in the cities of Edmonton, Montreal, Ottawa, Toronto and Vancouver in 2014.  For the first time in the history of the tournament, the Ottawa Fury FC participated in addition to FC Edmonton, Montreal Impact, Toronto FC and Vancouver Whitecaps FC.  The winner, Montreal Impact, was awarded the Voyageurs Cup and became Canada's entry into the Group Stage of the 2014–15 CONCACAF Champions League.  It was the seventh edition of the annual Canadian Championship.

United Soccer League: 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.

2016 Canadian Championship: The 2016 Canadian Championship (officially the Amway Canadian Championship for sponsorship reasons) was a soccer tournament hosted and organized by the Canadian Soccer Association.  It was the ninth edition of the annual Canadian Championship, and took place in the cities of Edmonton, Montreal, Ottawa, Toronto and Vancouver in 2016.  The participating teams were Ottawa Fury FC and FC Edmonton of the second-division North American Soccer League, and the Montreal Impact, Toronto FC and Vancouver Whitecaps FC of Major League Soccer, the first-level of Canadian club soccer.  The Vancouver Whitecaps were the reigning champions; having won their first title in the 2015 competition.

Bytown Boys Supporters Club: The Bytown Boys Supporters Club (BBSC) is a Canadian independently run supporters group based in Ottawa, with the mission of promoting the growth and support for soccer in the city.  Founded in 2011, they were an officially recognized supporters club to Capital City FC of Ottawa Ottawa Fury PDL, and are the current supporters of Ottawa Fury Women and Ottawa Fury FC.

2014 North American Soccer League season: The 2014 North American Soccer League season was the 47th season of Division II soccer in the United States and the fourth season of the revived North American Soccer League.  It was contested by ten teams including two from Canada.  Joining the NASL in the Spring of 2014 were two new franchises, Indy Eleven and Ottawa Fury FC; originally Virginia Cavalry FC were to begin play this season but now plan to join in the 2016 season.  The defending Soccer Bowl champions are the New York Cosmos, while the Carolina Railhawks are the defending North American Supporters' Trophy winners.  A split season format was used again for the 2014 season.

Supporting paragraphs: Ottawa Fury FC United Soccer League
Answer: 2011