Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_37 ( call_sign VARCHAR, tail_code VARCHAR, weapon_systems_officer VARCHAR )

### Question ###
Which Call Sign that has a Tail Code of oy belong to Weapon Systems Officer Capt Charles B. Debellevue?

### Accurate SQL ###

SELECT call_sign FROM table_name_37 WHERE tail_code = "oy" AND weapon_systems_officer = "capt charles b. debellevue"