user: Question: What is the average round that the player from usf was picked in when his draft pick number was less than 24?
Columns: ['Round', 'Pick #', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 8.0, 8.0, 'Derrick Harvey', 'Defensive End', 'Florida']
SQL:

assistant: SELECT AVG("Round") FROM "Table" WHERE "College" = 'usf' AND "Pick #" < 24.0;