Table: chiefs_1967_season
Columns: week
date
opponent
result
attendance

Question: What week did the September 9, 1967 game occur on?
SQL: SELECT MIN("week") FROM chiefs_1967_season WHERE "date" = 'september 9, 1967'

Question: What was the date of the game after week 5 against the Houston Oilers?
SQL: SELECT "date" FROM chiefs_1967_season WHERE "week" > 5 AND "opponent" = 'houston oilers'

Question: Which week was the game on December 14, 1967?
SQL: SELECT "week" FROM chiefs_1967_season WHERE "date" = 'december 14, 1967'

Question: Who was the opponent after week 9 with an attendance of 44,020?
SQL: SELECT "opponent" FROM chiefs_1967_season WHERE "week" > 9 AND "attendance" = '44,020'