ประเทศใดมี Hydra Head Records ในรูปแบบ 2lp?ไม่จำเป็นต้องใช้ตารางทั้งหมด
Which country has Hydra Head Records with a 2lp format?It is not neccessary to use all the tables.
 table_name_97:  (country [ VARCHAR ] format [ VARCHAR ] label [ VARCHAR) ]
SELECT country FROM table_name_97 WHERE format = "2lp" AND label = "hydra head records"