Table:
text: 1972 Oakland Raiders season
Schedule
Schedule
Week Date_ Opponent Result_ Attendance
1 September 17, 1972 at Pittsburgh Steelers L 34–28 50141
2 September 24, 1972 at Green Bay Packers W 20–14 56263
3 October 1, 1972 San Diego Chargers T 17–17 53455
4 October 9, 1972 at Houston Oilers W 34–0 51378
5 October 15, 1972 Buffalo Bills W 28–16 53501
6 October 22, 1972 Denver Broncos L 30–23 53551
7 October 29, 1972 Los Angeles Rams W 45–17 54660
8 November 5, 1972 at Kansas City Chiefs L 27–14 82094
9 November 12, 1972 at Cincinnati Bengals W 20–14 59485
10 November 19, 1972 at Denver Broncos W 37–20 51656

Question: What is the highest week for the San Diego Chargers with a attendance less than 53,455 for the Oakland Raiders 1972 season?