Question: what kind of car was the time machine in back to the future
[{'answer': 'DeLorean', 'provenance': [{'wikipedia_id': '11978558', 'title': 'DeLorean time machine', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11978558', 'title': 'DeLorean time machine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 516, 'bleu_score': 0.8732700464685481, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7516807831478491626}, 'section': 'Section::::Abstract.'}]}]