user: Question: how many players played Running back where status is Made 53-man roster at start of 2009 season
Columns: ['Round', 'Pick #', 'Player', 'Position', 'Height', 'Weight', 'College', 'Status']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 32.0, 'Hood, Evander Ziggy Hood', 'Defensive tackle', 'ft3in (m)', 'lb (kg)', 'Missouri', 'Made 53-man roster at start of 2009 season']
SQL:

assistant: SELECT COUNT("Player") FROM "Table" WHERE "Status" = 'Made 53-man roster at start of 2009 season' AND "Position" = 'Running back';