Question: what is a mission performed outside the space station
[{'answer': 'Extravehicular activity ( EVA )', 'provenance': [{'wikipedia_id': '9792', 'title': 'Extravehicular activity', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9792', 'title': 'Extravehicular activity', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 716, 'bleu_score': 0.9828310228624961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12158669401211143047}, 'section': 'Section::::Abstract.'}]}]