How many were in the Apollo 11 flight?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q43653', 'id': 0, 'label': 'Apollo 11'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q318965', 'id': 1, 'label': 'Fred Haise'}], 'links': [{'name_': 'P3015', 'source': 0, 'target': 1, 'label': 'backup or reserve team or crew'}]}