user: Question: What is the total number of weeks with a game at the milwaukee county stadium attended by 47897?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Venue', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 17, 1972', 'at Cleveland Browns', 'W 26-10', 'Cleveland Stadium', 75771.0]
SQL:

assistant: SELECT COUNT("Week") FROM "Table" WHERE "Venue" = 'milwaukee county stadium' AND "Attendance" = 47897.0;