Question: when was the first rocket sent into space
[{'answer': '1944', 'provenance': [{'wikipedia_id': '58741', 'title': 'Timeline of rocket and missile technology', 'start_paragraph_id': 36, 'start_character': 12, 'end_paragraph_id': 36, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::20th century.\n'}]}]