user: Question: When parnell dickinson was the player and the rounds were under 7, what's the highest pick?
Columns: ['Pick', 'Round', 'Player', 'Position', 'School']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 1.0, 'Lee Roy Selmon', 'Defensive End', 'Oklahoma']
SQL:

assistant: SELECT MAX("Pick") FROM "Table" WHERE "Player" = 'parnell dickinson' AND "Round" < 7.0;