CREATE TABLE table_53366 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Score" CLOB, "Result" CLOB, "Attendance" CLOB, "Record" CLOB)

Who was the opponent in the Week 4 game?
SELECT "Opponent" FROM table_53366 WHERE "Week" = '4'
SELECT "Opponent" FROM "table_53366" WHERE "Week" = '4'