Table: broncos_1978_season
Columns: week
date
opponent
result
game_site
record
attendance

Question: what is the attendance where the game site is kingdome?
SQL: SELECT MIN("attendance") FROM broncos_1978_season WHERE "game_site" = 'Kingdome'

Question: what date is the opponent is chicago bears?
SQL: SELECT "date" FROM broncos_1978_season WHERE "opponent" = 'Chicago Bears'