Question: when did the space race start and finish
[{'answer': 'August 2 , 1955', 'provenance': [{'wikipedia_id': '84237', 'title': 'Space Race', 'start_paragraph_id': 2, 'start_character': 36, 'end_paragraph_id': 2, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'July 20 , 1969', 'provenance': [{'wikipedia_id': '84237', 'title': 'Space Race', 'start_paragraph_id': 116, 'start_character': 519, 'end_paragraph_id': 116, 'end_character': 534, 'bleu_score': 1.0, 'section': 'Section::::Apollo 11.\n'}]}, {'provenance': [{'wikipedia_id': '84237', 'title': 'Space Race', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 670, 'bleu_score': 0.518786575998585, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 260328035042839953}, 'section': 'Section::::Abstract.'}]}]