Table:
text: 49ers–Rams rivalry
1950s (Rams 12-7-1)
1950s (Rams 12-7-1)
Year_ Date_ Home_Team Result_ Visiting_Team Venue Attendance
1957 November 10 Los Angeles Rams 37-24 San Francisco 49ers Los Angeles Memorial Coliseum 102368
1958 October 5 San Francisco 49ers 3-33 Los Angeles Rams Kezar Stadium 73164
1958 November 9 Los Angeles Rams 56-7 San Francisco 49ers Los Angeles Memorial Coliseum 95082
1959 October 4 San Francisco 49ers 34-0 Los Angeles Rams Kezar Stadium 56028
1959 November 8 Los Angeles Rams 16-24 San Francisco 49ers Los Angeles Memorial Coliseum 94376

text: 49ers–Rams rivalry
1950s (Rams 12-7-1)
1950s (Rams 12-7-1)
Year_ Date_ Home_Team Result_ Visiting_Team Venue Attendance
1950 October 1 San Francisco 49ers 14-35 Los Angeles Rams Kezar Stadium 27262
1950 November 5 Los Angeles Rams 28-21 San Francisco 49ers Los Angeles Memorial Coliseum 33234
1951 October 28 San Francisco 49ers 44-17 Los Angeles Rams Kezar Stadium 49538
1951 November 4 Los Angeles Rams 23-16 San Francisco 49ers Los Angeles Memorial Coliseum 54346
1952 November 23 Los Angeles Rams 35-9 San Francisco 49ers Los Angeles Memorial Coliseum 77698
1952 November 30 San Francisco 49ers 21-34 Los Angeles Rams Kezar Stadium 48731
1953 October 4 San Francisco 49ers 31-30 Los Angeles Rams Kezar Stadium 43922

text: 49ers–Rams rivalry
1950s (Rams 12-7-1)
1950s (Rams 12-7-1)
Year_ Date_ Home_Team Result_ Visiting_Team Venue Attendance
1953 November 8 Los Angeles Rams 27-31 San Francisco 49ers Los Angeles Memorial Coliseum 85865
1954 October 3 Los Angeles Rams 24-24 San Francisco 49ers Los Angeles Memorial Coliseum 93621
1954 November 7 San Francisco 49ers 34-42 Los Angeles Rams Kezar Stadium 58958
1955 September 25 San Francisco 49ers 23-14 Los Angeles Rams Kezar Stadium 60100
1955 November 6 Los Angeles Rams 27-14 San Francisco 49ers Los Angeles Memorial Coliseum 85302
1956 October 7 San Francisco 49ers 33-30 Los Angeles Rams Kezar Stadium 54589
1956 November 11 Los Angeles Rams 30-6 San Francisco 49ers Los Angeles Memorial Coliseum 69828
1957 October 6 San Francisco 49ers 23-20 Los Angeles Rams Kezar Stadium 59637

Question: In what rivalry between the 49ers and the Rams was the November 9th 1950s Rams 12 7 1 game held at the Los Angeles Memorial Coliseum with a crowd of more than 85,302?

Question: What date was the 1950s Los Angeles Rams visiting team (Rams 12-7-1) prior to 1958 under the 49ers-Rams rivalry?