Table: colts_1990_season
Columns: week
date
opponent
result
record
game_site
attendance

Question: Record of 6–8 had what attendance?
SQL: SELECT "attendance" FROM colts_1990_season WHERE "record" = '6–8'

Question: Result of l 17–20 had what attendance?
SQL: SELECT "attendance" FROM colts_1990_season WHERE "result" = 'l 17–20'

Question: Game Site of hoosier dome, and a Result of l 7–31 involved what attendance?
SQL: SELECT "attendance" FROM colts_1990_season WHERE "game_site" = 'hoosier dome' AND "result" = 'l 7–31'