section: Abstract
question: What was the attendance at Six Flags during 2009?
article: Six Flags
candidates: Six Flags Entertainment Corp. is the world's largest amusement park corporation based on number of properties, and the fifth-most popular in terms of attendance. The company maintains 18 properties throughout North America consisting of theme parks, thrill parks, water parks, and family entertainment centers. In 2009, Six Flags properties hosted 23.9 million guests. The company was founded in Texas and took its name from its first property, Six Flags Over Texas. The company maintains a corporate office in Midtown Manhattan, New York City and its headquarters are in Grand Prairie, Texas. On June 13, 2009, the corporation filed for Chapter 11 bankruptcy protection and successfully exited the restructuring on May 3, 2010.