CREATE TABLE table_11903 ("Week" CLOB, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Kickoff [a ]" CLOB, "Game site" CLOB, "Attendance" CLOB, "Record" CLOB)

Who was the opponent for the giants stadium game?
SELECT "Opponent" FROM table_11903 WHERE "Game site" = 'giants stadium'
SELECT "Opponent" FROM "table_11903" WHERE "Game site" = 'giants stadium'