user: Question: What was the average round for John Markham draft pick?
Columns: ['Round', 'Pick', 'Player', 'Position', 'School']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 22.0, 'Will Allen', 'Defensive Back', 'Syracuse']
SQL:

assistant: SELECT AVG("Round") FROM "Table" WHERE "Player" = 'John Markham';