Question: who built the world’s first liquid-fueled rocket
[{'answer': 'Robert Hutchings Goddard', 'provenance': [{'wikipedia_id': '210597', 'title': 'Robert H. Goddard', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '210597', 'title': 'Robert H. Goddard', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 445, 'bleu_score': 0.873280795266537, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4450665205926891490}, 'section': 'Section::::Abstract.'}]}]