user: Question: What is the highest week when attendance is greater than 64300 with a result of W 27-14?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 2, 1979', 'Dallas Cowboys', 'L 22-21', 50855.0]
SQL:

assistant: SELECT MAX("Week") FROM "Table" WHERE "Attendance" > 64300.0 AND "Result" = 'W 27-14';