คะแนนรวมของฝ่ายตรงข้ามในเกมนี้คือเท่าไรที่ Oilers ได้ 21 คะแนน?ไม่จำเป็นที่จะต้องใช้โต๊ะทั้งหมด
What was the total opponents points for the game were the Oilers scored 21?It is not neccessary to use all the tables.
 table_72740:  "Game" [ real]  "Date" [ text]  "Opponent" [ text]  "Result" [ text]  "Opponents" [ real]  "Record" [ text]  "Attendance" [ real] 
SELECT "Opponents" FROM table_72740 WHERE "Oilers points" = '21'