Input: concept: National Collegiate Athletic Association  answers:  ['Stanford Cardinal football', 'Baylor Bears baseball', "Murray State Racers men's basketball", "Wofford Terriers men's basketball", "UC Santa Barbara Gauchos men's basketball", 'Ohio State Buckeyes football', 'Oregon State University Beavers', "Wake Forest Demon Deacons women's golf", "Kenyon Men's Swimming", "Saint Mary's College of California Gaels men's basketball"]
Output: 

 how many teams are there in the ncaa football?