What is the role of the aircraft that has a registration of s5-hpb?
CREATE TABLE table_name_51 (role VARCHAR, registration VARCHAR)
SELECT role FROM table_name_51 WHERE registration = "s5-hpb"
### Context: CREATE TABLE table_name_51 (role VARCHAR, registration VARCHAR) ### Question: What is the role of the aircraft that has a registration of s5-hpb? ### Answer: SELECT role FROM table_name_51 WHERE registration = "s5-hpb"