Question: What is the population of the city which hosted the 2004 Open Canada Cup ?

Context articles: Marc Dos Santos
2015 Canada Cup of Curling
2005 Open Canada Cup
2012 Canada Cup of Curling
2006 Open Canada Cup
2004 Open Canada Cup
2003 Open Canada Cup
London, Ontario
Open Canada Cup
2007 Open Canada Cup

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.
The 2015 Canada Cup of Curling was held from December 3 to 7 at Revolution Place in Grande Prairie, Alberta.
 This was the first time that Grande Prairie hosted the Canada Cup, and the third time that Alberta hosted the Canada Cup, which was also held in Medicine Hat in 2010 and in Camrose in 2014.
The 2005 Open Canada Cup was the 8th edition of the Canadian Professional Soccer League's open cup tournament running from late May through early September.
 Windsor Border Stars defeated London City 3-0 in the final played at Cove Road Stadium, London, Ontario.
 The victory marked Windsor's second Open Canada Cup title, and became the third club in the tournaments history to successfully defend their title.
 The tournament featured several clubs from the Ontario League, and saw the return of several clubs from the Ottawa Carleton Soccer League.
 Particularly the 2004 Open Canada Cup runner's up Ottawa St. Anthony Italia, and 2004 Canadian National Challenge Cup finalists and Ontario Cup champions Ottawa Royals S.C.
The 2012 Capital One Canada Cup of Curling was held from November 28 to December 2 at Mosaic Place in Moose Jaw, Saskatchewan.
 This was Moose Jaw's first time hosting the Canada Cup, and Saskatchewan's second time hosting the Canada Cup, which was held in Yorkton in 2009.
 TSN broadcast the tenth edition of the Canada Cup.
The 2006 Open Canada Cup was the 9th edition of the Canadian Soccer League's open cup tournament running from late May through late September.
 Ottawa St. Anthony Italia defeated Toronto Lynx 2-0 in the final played at Cove Road Stadium, London, Ontario.
Ottawa became the first victorious amateur club in the tournament's history, and first amateur club to claim a purely Canadian treble (Open Canada Cup, Ontario Cup, and The Challenge Trophy).
 The tournament expanded to include for the first time the Toronto Lynx of the USL First Division at that time the nations top tier division.
 Notable entries included the reigning Spectator Cup champions Hamilton Serbia, and 2005 Canadian National Challenge Cup, Ontario Cup champions Scarborough GS United both respectively from the Ontario Soccer League.
The 2004 Open Canada Cup was the 7th edition of the Canadian Professional Soccer League's open cup tournament running from late May through early September.
 Windsor Border Stars defeated Ottawa St. Anthony Italia 4-3 in a penalty shootout in the final played at Cove Road Stadium, London, Ontario.
 The victory marked Windsor's first piece of silverware and became the second expansion club to win the open tournament in their debut season.
 Ottawa also recorded a milestone by becoming the first amateur team to reach the finals.
 The tournament expanded to include a record amount of 24 clubs throughout Ontario.
The 2003 Open Canada Cup was the 6th edition of the Canadian Professional Soccer League's open cup tournament running from mid May through early September.
 London City defeated Metro Lions 4-2 in a penalty shootout in the final played at Cove Road Stadium, London, Ontario.
 The victory gave London their first piece of silverware and brought an end to the Ottawa Wizards Canada Cup dynasty.
 The 2003 edition of the Canada Cup was a historical milestone achieved by the CPSL by opening the tournament to all Canadian professional and amateur clubs in order to provide a potential candidate for the CONCACAF Champions' Cup and a $10,000 reward for the champion.
 The last time a Canadian club competed in the Champions' Cup was in the 1976 CONCACAF Champions' Cup represented by Toronto Italia of the National Soccer League the predecessor league of the CPSL.
London is a city in Southwestern Ontario, Canada along the Quebec City–Windsor Corridor.
 The city has a population of 383,822 according to the 2016 Canadian census.
 London is at the confluence of the Thames River, approximately 200 kilometers from both Toronto, Ontario and Detroit, Michigan; and about 230 kilometers from Buffalo, New York.
 The City of London is a separated municipality, politically separate from Middlesex County, though it remains the county seat.
The Open Canada Cup was a Canadian soccer competition, similar in concept to tournaments such as the English FA Cup, the Coppa Italia, and the US Open Cup.
 The competition was held starting with the second version of the CSL's first season in 1998 until 2007.
The 2007 Open Canada Cup was the 10th edition of the Canadian Soccer League's open cup tournament running from July through early September.
 Trois-Rivières Attak defeated Columbus Clan F.C. 3-0 in the final played at Cove Road Stadium, London, Ontario.
 It was the Attak's first Open Canada Cup title and marked the first time in the tournament's history where a Quebec club won.
 The 2007 tournament was significant as it featured for the first time professional and amateur teams from Ontario, Quebec, and British Columbia.