CREATE TABLE table_47753 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" FLOAT)

What was the result when the San Francisco 49ers were the opponents?
SELECT "Result" FROM table_47753 WHERE "Opponent" = 'san francisco 49ers'
SELECT "Result" FROM "table_47753" WHERE "Opponent" = 'san francisco 49ers'