user: Question: What was the score of the Browns game against the San Francisco 49ers?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'August 2, 1974', 'at Los Angeles Rams', 'L 24–21', 28021.0]
SQL:

assistant: SELECT "Result" FROM "Table" WHERE "Opponent" = 'San Francisco 49ers';