Question: NASA's Story is a documentary series by Dangerous Films for the BBC to commemorate 50 years since the formation of NASA, the show includes various interviews with astronauts and NASA personnel such as which American engineer and former astronaut, he was one of the first two humans to land on the Moon, and the second person to walk on it?
{'answer': 'Buzz Aldrin', 'supporting_facts': [["NASA's Story", 2], ['Buzz Aldrin', 0]]}