Buzz Aldrin is a national of the United States led by Joe Biden. He was a crew member of Apollo 11. On Apollo 11 the backup pilot was William Anders.
[['Buzz Aldrin', 'WAS_A_CREW_MEMBER_OF', 'Apollo 11'], ['Buzz Aldrin', 'NATIONALITY', 'United States'], ['United States', 'LEADER_NAME', 'Joe Biden'], ['Apollo 11', 'BACKUP_PILOT', 'William Anders']]