[PAR] [TLE] Six Flags [SEP] Six Flags, officially Six Flags Entertainment Corporation, is an amusement park corporation based in the United States, with properties in the US, Canada, and Mexico.  It is the largest amusement park company in the world, based on the number of properties owned, and is ranked sixth in terms of attendance.  The company maintains twenty properties throughout North America including theme parks, thrill parks, water parks, and family entertainment centers.  In 2016, Six Flags properties hosted over 30.1 million guests. [PAR] [TLE] Batman: The Ride [SEP] Batman: The Ride is a steel inverted roller coaster based thematically on the 1989 film Batman and found at seven Six Flags theme parks in the United States.  Built by consulting engineers Bolliger & Mabillard, it rises to a height of between 100 and and reaches top speeds of 50 mph .  The original roller coaster at Six Flags Great America was partially devised by the park's general manager Jim Wintrode.  Batman: The Ride was the world's first inverted roller coaster when it opened in 1992, and has since been awarded Coaster Landmark status by the American Coaster Enthusiasts.  Clones of the ride exist at amusement parks around the world.
[PAR] [TLE] Six Flags [ SEP ] Six Flags , officially Six Flags Entertainment Corporation , is an amusement park corporation based in the United States , with properties in the US , Canada , and Mexico . It is the largest amusement park company in the world , based on the number of properties owned , and is ranked sixth in terms of attendance . The company maintains twenty properties throughout North America including theme parks , thrill parks , water parks , and family entertainment centers . In 2016 , Six Flags properties hosted over 30.1 million guests . [PAR] [TLE] Batman : The Ride [ SEP ] Batman : The Ride is a steel inverted roller coaster based thematically on the 1989 film Batman and found at seven Six Flags theme parks in the United States . Built by consulting engineers Bolliger & Mabillard , it rises to a height of between 100 and and reaches top speeds of 50 mph . The original roller coaster at Six Flags Great America was partially devised by the park 's general manager Jim Wintrode . Batman : The Ride was the world 's first inverted roller coaster when it opened in 1992 , and has since been awarded Coaster Landmark status by the American Coaster Enthusiasts . Clones of the ride exist at amusement parks around the world .
How many Batman: The Ride rollercoasters can be found in the United States?
How many Batman : The Ride rollercoasters can be found in the United States ?
seven
seven