Question: when was the first animal sent into space
[{'answer': '1947', 'provenance': [{'wikipedia_id': '600624', 'title': 'Animals in space', 'start_paragraph_id': 4, 'start_character': 504, 'end_paragraph_id': 4, 'end_character': 508, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}]