user: Question: What is Catcher Josh Donaldson's pick number?
Columns: ['Pick', 'Player', 'Team', 'Position', 'School']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [31.0, 'Josh Smoker', 'Washington Nationals', 'Left-handed pitcher', 'Calhoun High School ( GA )']
SQL:

assistant: SELECT "Pick" FROM "Table" WHERE "Position" = 'Catcher' AND "Player" = 'Josh Donaldson';