Stevie Brown เล่นให้กับทีม NFL กี่ทีม?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many NFL teams does Stevie Brown play for?It is not neccessary to use all the tables.
 table_20996923_25:  (nfl_team [ VARCHAR ] player [ VARCHAR) ]
SELECT COUNT(nfl_team) FROM table_20996923_25 WHERE player = "Stevie Brown"