SELECT last_performance FROM table_name_7 WHERE style = "ballet" AND name = "rhys kosakowski"
CREATE TABLE table_name_7 (last_performance VARCHAR, style VARCHAR, name VARCHAR)
การแสดง Last Ballet Style ของ Rhys kosakowski ในบท Billy Elliot คือวันที่เท่าไหร่?
What is the date of the Last Ballet Style Performance of Rhys kosakowski as Billy Elliot?