user: Question: How many players with a position are listed for the 2009 season? 
Columns: ['Name', 'Position', 'Number', 'School/Club Team', 'Season', 'Acquisition via']
Types: ['text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Allan Salangsang', 'Forward', 24.0, 'Letran', '2006-2007', 'Free Agency']
SQL:

assistant: SELECT COUNT("Position") FROM "Table" WHERE "Season" = '2009';