user: Question: In what Week were there less than 30348 in Attendance with a Result of W 37-21?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 28, 1958', 'at Philadelphia Eagles', 'W 24-14', 36853.0]
SQL:

assistant: SELECT "Week" FROM "Table" WHERE "Attendance" < 30348.0 AND "Result" = 'W 37-21';