ผลรวมของคะแนนเมื่อ Bruce Arena ชนะ 21 ครั้งคืออะไร?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What is the sum of points when Bruce Arena has 21 wins?It is not neccessary to use all the tables.
 table_79985:  "Coach" [ text]  "Club" [ text]  "Wins" [ real]  "Loss" [ real]  "PCT." [ real]  "PTS." [ real] 
SELECT SUM("PTS.") FROM table_79985 WHERE "Wins" = '21' AND "Coach" = 'bruce arena'