Table: jets_1983_season
Columns: week
date
opponent
result
game_site
attendance

Question: what week number was at memorial stadium?
SQL: SELECT AVG("week") FROM jets_1983_season WHERE "game_site" = 'memorial stadium'

Question: before week 12 what was the attendance on 1983-11-21?
SQL: SELECT SUM("attendance") FROM jets_1983_season WHERE "date" = '1983-11-21' AND "week" < 12

Question: on week 16, what was the lowest attendance?
SQL: SELECT MIN("attendance") FROM jets_1983_season WHERE "week" = 16