user: Question: What is the lowest pick of the Defensive Tackle player Dave Haverdick?
Columns: ['Round', 'Pick', 'Player', 'Position', 'Team']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 19.0, 'Steve Owens', 'Running Back', 'Oklahoma']
SQL:

assistant: SELECT MIN("Pick") FROM "Table" WHERE "Position" = 'Defensive Tackle' AND "Player" = 'Dave Haverdick';