user: Question: Name the college that has 7 rounds and Boston Celtics team
Columns: ['Round', 'Pick', 'Player', 'Position', 'Nationality', 'Team', 'College']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['3', '–', 'Norm Grekin Category:Articles with hCards', 'F', 'United States', 'Philadelphia Warriors', 'La Salle']
SQL:

assistant: SELECT "College" FROM "Table" WHERE "Team" = 'Boston Celtics' AND "Round" = '7';