user: Question: Which the highest Round has a Player of mike williams, and a Pick # larger than 4?
Columns: ['Round', 'Pick #', 'Player', 'Position', 'College']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 4.0, 'Mike Williams', 'Tackle', 'Texas']
SQL:

assistant: SELECT MAX("Round") FROM "Table" WHERE "Player" = 'mike williams' AND "Pick #" > 4.0;