Question: a person who travels in space is called
[{'answer': 'An astronaut or cosmonaut', 'provenance': [{'wikipedia_id': '664', 'title': 'Astronaut', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '664', 'title': 'Astronaut', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 326, 'bleu_score': 0.959574895300321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6372338653500905050}, 'section': 'Section::::Abstract.'}]}]