user: Question: How many locations are there for the athletic nickname is Blue Crusaders?
Columns: ['Institution', 'Location', 'Enrollment', 'Athletic nickname', 'School Colors', 'Founded']
Types: ['text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['Ateneo de Davao University', 'Davao City , Davao del Sur', '13,676', 'Blue Knights', 'blue & white', 1948.0]
SQL:

assistant: SELECT COUNT("Location") FROM "Table" WHERE "Athletic nickname" = 'Blue Crusaders';