ตำแหน่งฟูลแบ็กมีน้ำหนักสูงสุดเท่าใด?ไม่จำเป็นต้องใช้ทุกโต๊ะ
Position of fullback has what highest weight?It is not neccessary to use all the tables.
 table_34217:  "Player" [ text]  "Position" [ text]  "Hometown" [ text]  "Height" [ text]  "Weight" [ real]  "Class" [ text] 
SELECT MAX("Weight") FROM table_34217 WHERE "Position" = 'fullback'