user: Question: What is the college when the over is larger than 15 in round 7?
Columns: ['Round', 'Overall', 'Player', 'Position', 'College']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 15.0, 'Marc Wilson', 'QB', 'Brigham Young']
SQL:

assistant: SELECT "College" FROM "Table" WHERE "Overall" > 15.0 AND "Round" = 7.0;