user: Question: What's the largest pick number for corrie d'alessio with a rd number over 6?
Columns: ['Rd #', 'Pick #', 'Player', 'Team (League)', 'Reg GP', 'Pl GP']
Types: ['real', 'real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 2.0, 'Trevor Linden', 'Medicine Hat Tigers ( WHL )', 1140.0, 118.0]
SQL:

assistant: SELECT MAX("Pick #") FROM "Table" WHERE "Player" = 'corrie d''alessio' AND "Rd #" > 6.0;