Table: air_combat
Columns: date
pilot
weapon_systems_officer
aircraft
tail_code
call_sign
kill

Question: Which Call Sign that has a Tail Code of oy belong to Weapon Systems Officer Capt Charles B. Debellevue?
SQL: SELECT "call_sign" FROM air_combat WHERE "tail_code" = 'oy' AND "weapon_systems_officer" = 'capt charles b. debellevue'

Question: Which Tail Code belongs to Weapon Systems Officer Capt Charles B. Debellevue?
SQL: SELECT "tail_code" FROM air_combat WHERE "weapon_systems_officer" = 'capt charles b. debellevue'

Question: Which Aircraft has the Call Sign Paula 01?
SQL: SELECT "aircraft" FROM air_combat WHERE "call_sign" = 'paula 01'

Question: Which Call Sign that has Tail Code ed?
SQL: SELECT "call_sign" FROM air_combat WHERE "tail_code" = 'ed'

Question: Which aircraft Weapon Systems Officer Capt Charles B. Debellevue belongs on?
SQL: SELECT "aircraft" FROM air_combat WHERE "weapon_systems_officer" = 'capt charles b. debellevue'