user: Question: What the total of Week with attendance of 53,147
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Bye', 'Bye', 'Bye', 'Bye']
SQL:

assistant: SELECT SUM("Week") FROM "Table" WHERE "Attendance" = '53,147';