Question: How many clubs were featured in  a preseason soccer tournament held at Walt Disney World's 220 acre athletic complex located in the Walt Disney World Resort?
Sentence (from "2012 Walt Disney World Pro Soccer Classic"): 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.
Relevant evidence: No