user: Question: What's the lowest attendance for october 13, 1968, and is larger than week 5?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 16, 1968', 'at St. Louis Cardinals', 'W 24-13', 49757.0]
SQL:

assistant: SELECT MIN("Attendance") FROM "Table" WHERE "Date" = 'october 13, 1968' AND "Week" > 5.0;