ใครมีคะแนน 6.17 ในกลุ่ม B?ไม่จำเป็นต้องใช้ตารางทั้งหมด
Who has a mark of 6.17 in group B?It is not neccessary to use all the tables.
 table_64537:  "Rank" [ text]  "Group" [ text]  "Name" [ text]  "Nationality" [ text]  "Mark" [ text] 
SELECT "Name" FROM table_64537 WHERE "Group" = 'b' AND "Mark" = '6.17'