Table: redskins_1937_season
Columns: week
date
opponent
result
game_site
record
attendance

Question: How many were in attendance in a week less than 4 with a record of 2–1?
SQL: SELECT "attendance" FROM redskins_1937_season WHERE "week" < 4 AND "record" = '2–1'

Question: How many were in attendance at Griffith Stadium with Philadelphia Eagles as an opponent?
SQL: SELECT "attendance" FROM redskins_1937_season WHERE "game_site" = 'griffith stadium' AND "opponent" = 'philadelphia eagles'

Question: In what week was the attendance 25,000?
SQL: SELECT "week" FROM redskins_1937_season WHERE "attendance" = '25,000'

Question: What game site had a result at l 21–13?
SQL: SELECT "game_site" FROM redskins_1937_season WHERE "result" = 'l 21–13'