Third-Person Shooter ปีไหน?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
What year had Third-Person Shooter?It is not neccessary to use all the tables.
 table_name_16:  year [ INTEGER]  genre [ VARCHAR] 
SELECT AVG(year) FROM table_name_16 WHERE genre = "third-person shooter"