user: Question: How many players are from Purdue? 
Columns: ['Round #', 'Pick #', 'NFL Team', 'Player', 'Position', 'College']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [2.0, 33.0, 'St. Louis Rams', 'Rodger Saffold', 'Offensive tackle', 'Indiana']
SQL:

assistant: SELECT COUNT("Player") FROM "Table" WHERE "College" = 'Purdue';