Question: How large is the complex that hosted the Walt Disney World Pro Soccer Classic?

Context paragraphs:
Walt Disney World Dolphin: The Walt Disney World Dolphin is a resort hotel designed by architect Michael Graves located between Epcot and Disney's Hollywood Studios in the Walt Disney World Resort in Bay Lake, Florida, next to Disney's BoardWalk Resort area.  It opened on June 1, 1990 and is joined to its sister hotel, the Walt Disney World Swan (also designed by Graves) by a palm-tree lined covered walkway crossing a lagoon.  The Walt Disney World Swan and Dolphin is a joint venture between the Walt Disney Company, Tishman Hotel Corporation, MetLife and Starwood Hotels and Resorts.  The land the resort occupies is owned by the Walt Disney Company, while the buildings themselves are leased by Disney to the Tishman Hotel Corporation and MetLife but operated by Starwood Hotels & Resorts Worldwide under the Sheraton Hotels brand.  The Walt Disney World Swan and Dolphin are a part of the Walt Disney Collection of resorts; because of this they are Disney branded and guests of the resort have access to special Disney benefits available to Disney Resort Hotel guests only.

Walt Disney World Company: Walt Disney World Company was created in 1967 as the company that initially owned and operated Walt Disney World near Orlando, Florida.  The resort opened in 1971 and the land was owned by Walt Disney World Company, Walt Disney Travel Company, and Walt Disney World Hospitality and Recreation Corporation.  In 2009 the name was changed to Walt Disney Parks and Resorts division of The Walt Disney Company.

2011 Walt Disney World Pro Soccer Classic: The 2011 Walt Disney World Pro Soccer Classic was a preseason soccer tournament held at Walt Disney World's ESPN Wide World of Sports Complex.  The tournament, the second edition of the Pro Soccer Classic, was held from February 24—26, 2011 and featured three Major League Soccer clubs along one USL PRO club.

2013 Walt Disney World Pro Soccer Classic: The 2013 Walt Disney World Pro Soccer Classic was the fourth edition of the Walt Disney World Pro Soccer Classic, a pre-season exhibition tournament held at the ESPN Wide World of Sports Complex at the Walt Disney World Resort in Lake Buena Vista, Florida.  A total of six Major League Soccer teams participated.

ESPN Wide World of Sports Complex: The ESPN Wide World of Sports Complex is a 220 acre athletic complex located in the Walt Disney World Resort, in Bay Lake, Florida, near Orlando, Florida.  The complex includes 9 venues and hosts numerous amateur and professional sporting events throughout the year.

Walt Disney World Pro Soccer Classic: The Walt Disney World Pro Soccer Classic is an annual preseason soccer tournament for clubs in North America.  Hosted by Disney, it contested at Hess Sports Fields' Field 17, part of the ESPN Wide World of Sports Complex in Lake Buena Vista, Florida.  The tournament debuted with four teams in 2010 and is broadcast online by ESPN3.

Walt Disney World Swan: The Walt Disney World Swan is a resort hotel designed by architect Michael Graves located between Epcot and Disney's Hollywood Studios behind Disney's BoardWalk Resort and across from its sister resort, the Walt Disney World Dolphin.  The Swan, which opened January 13, 1990 on Disney property, is a joint venture between the Walt Disney Company, Tishman Hotel Corporation, MetLife and Starwood Hotels and Resorts.  The land the resort occupies is owned by the Walt Disney Company, while the buildings themselves are leased by Disney to the Tishman Hotel Corporation and MetLife and operated by Starwood Hotels & Resorts Worldwide under the Westin brand.  The Walt Disney World Swan and Dolphin are a part of the Walt Disney Collection of resorts, because of this they are Disney branded and guests of the resort have access to special Disney benefits available to Disney Resort Hotel guests only.

2014 Walt Disney World Pro Soccer Classic: The 2014 Walt Disney World Pro Soccer Classic was the fifth edition of the Walt Disney World Pro Soccer Classic, a pre-season exhibition tournament held at the ESPN Wide World of Sports Complex at the Walt Disney World Resort in Lake Buena Vista, Florida.  The 2014 edition was reportedly set to feature a field of eight teams including 5 MLS teams, two international teams, and Orlando City.  However, the schedule was released with 6 MLS teams, one international team, and Orlando City.

2012 Walt Disney World Pro Soccer Classic: The 2012 Walt Disney World Pro Soccer Classic was a preseason soccer tournament held at Walt Disney World's ESPN Wide World of Sports Complex.  The tournament, the third edition of the Pro Soccer Classic, was held from February 24—March 3, 2012 and featured six Major League Soccer clubs along with one USL PRO club and one Swedish Allsvenskan club.

2010 Walt Disney World Pro Soccer Classic: The 2010 Walt Disney World Pro Soccer Classic was a preseason soccer tournament held at Walt Disney World's ESPN Wide World of Sports Complex.  The tournament, the inaugural edition of the Pro Soccer Classic, was held from February 25—27, 2011 and featured four Major League Soccer clubs.

Supporting paragraphs: Walt Disney World Pro Soccer Classic ESPN Wide World of Sports Complex
Answer: 220 acre