user: Question: What is the average pick number for Washington State?
Columns: ['Round', 'Pick', 'Player', 'Position', 'School']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 9.0, 'Gerald Riggs', 'Running Back', 'Arizona State']
SQL:

assistant: SELECT AVG("Pick") FROM "Table" WHERE "School" = 'Washington State';