user: Question: What date was the game that resulted in L 30-27?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 21, 1975', 'at St. Louis Cardinals', 'L 23-20', 42172.0]
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Result" = 'L 30-27';