CREATE TABLE table_77282 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" FLOAT)

What was the attendance when they played at Detroit Lions?
SELECT "Attendance" FROM table_77282 WHERE "Opponent" = 'at detroit lions'
SELECT "Attendance" FROM "table_77282" WHERE "Opponent" = 'at detroit lions'