user: Question: What is the date for the game with an opponent of the Houston Oilers from before week 3?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 9, 1967', 'Boston Patriots', 'W 28–14', 39337.0]
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Week" < 3.0 AND "Opponent" = 'Houston Oilers';