[['Apollo 12', 'BACKUP_PILOT', 'Alfred Worden'], ['Alan Bean', 'WAS_A_CREW_MEMBER_OF', 'Apollo 12'], ['Apollo 12', 'OPERATOR', 'NASA'], ['Apollo 12', 'COMMANDER', 'David Scott'], ['Alan Bean', 'BIRTH_PLACE', 'Wheeler, Texas']]
NASA operated the _____ mission, whose commander was David Scott. Alfred Worden was the backup pilot, and _____, who was born in Wheeer, Texas, served as a crew member.