user: Question: What pick was mario williams before 2006?
Columns: ['Year', 'Pick', 'Player name', 'Position', 'College']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [2002.0, 1.0, 'David Carr', 'Quarterback', 'Fresno State']
SQL:

assistant: SELECT "Pick" FROM "Table" WHERE "Player name" = 'mario williams' AND "Year" < 2006.0;