user: Question: What is the highest pick for the position of Defensive end?
Columns: ['Pick', 'Team', 'Player', 'Position', 'College']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'New York Jets', 'Joe Namath Category:Articles with hCards', 'Quarterback', 'Alabama']
SQL:

assistant: SELECT MAX("Pick") FROM "Table" WHERE "Position" = 'Defensive end';