Built ใดที่มี Builder ของ brel crewe?ไม่จำเป็นต้องใช้ตารางทั้งหมด
Which Built has a Builder of brel crewe?It is not neccessary to use all the tables.
 table_name_74:  (built [ INTEGER ] builder [ VARCHAR) ]
SELECT AVG(built) FROM table_name_74 WHERE builder = "brel crewe"