CREATE TABLE table_66131 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Record" TEXT, "TV Time" TEXT, "Attendance" TEXT)

Who was the opponent for the game that had 90,287 in attendance?
SELECT "Opponent" FROM table_66131 WHERE "Attendance" = '90,287'
SELECT "Opponent" FROM "table_66131" WHERE "Attendance" = '90,287'