Both the San Francisco Giants and the San Francisco 49ers played in what famous stadium?
1970 San Francisco Giants season: The 1970 San Francisco Giants season was the Giants' 88th year in Major League Baseball, their 13th year in San Francisco since their move from New York following the 1957 season, and their 11th at Candlestick Park. Candlestick Park:  It was also the home field of the San Francisco 49ers of the National Football League from 1971 through 2013.
Candlestick Park