What's the mean week number when attendance was 63,263?
CREATE TABLE table_name_88 (week INTEGER, attendance VARCHAR)
SELECT AVG(week) FROM table_name_88 WHERE attendance = 63 OFFSET 263
### Context: CREATE TABLE table_name_88 (week INTEGER, attendance VARCHAR) ### Question: What's the mean week number when attendance was 63,263? ### Answer: SELECT AVG(week) FROM table_name_88 WHERE attendance = 63 OFFSET 263