user: Question: Name the average Pick # of Mike Williams?
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 AVG("Pick #") FROM "Table" WHERE "Player" = 'Mike Williams';