CREATE TABLE table_19722233_5 (points INTEGER, blocks VARCHAR)
SELECT MIN(points) FROM table_19722233_5 WHERE blocks = 21
คะแนนต่ำสุดที่ผู้เล่นบล็อกได้ 21 ครั้งคือเท่าไร
what is the lowest points scored by a player who blocked 21 times