user: Question: What was the overall pick number of the player selected before round 3?
Columns: ['Round', 'Overall Pick', 'Player', 'Position', 'Nationality', 'College/Junior/Club Team (League)']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 30.0, 'Thomas McCollum', 'Goaltender', 'United States', 'Guelph Storm ( OHL )']
SQL:

assistant: SELECT "Overall Pick" FROM "Table" WHERE "Round" < 3.0;