user: Question: What is the sum of attendance for the games played at Los Angeles Rams?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 15, 1968', 'at Baltimore Colts', 'L 27-10', 56864.0]
SQL:

assistant: SELECT SUM("Attendance") FROM "Table" WHERE "Opponent" = 'at Los Angeles Rams';