user: Question: How many draft picks are there at the Linebacker position?
Columns: ['Pick #', 'NFL Team', 'Player', 'Position', 'College']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [46.0, 'Denver Broncos', 'Andre Townsend', 'Defensive End', 'Mississippi']
SQL:

assistant: SELECT COUNT("Pick #") FROM "Table" WHERE "Position" = 'Linebacker';