คะแนนขั้นต่ำ 50 คะแนนคือเท่าไร?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What is the minimum number of 50s scored?It is not neccessary to use all the tables.
 table_30108:  "Player" [ text]  "Matches" [ real]  "Innings" [ real]  "Runs" [ real]  "Average" [ text]  "50s" [ real] 
SELECT MIN("50s") FROM table_30108