user: Question: What was the Overall number for the player with a position of C and a round greater than 7?
Columns: ['Round', 'Pick', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 9.0, 9.0, 'Andy Farkas', 'RB', 'Detroit Mercy [e ]']
SQL:

assistant: SELECT "Overall" FROM "Table" WHERE "Round" > 7.0 AND "Position" = 'C';