Question: who invented the first full scale working railway steam locomotive
[{'answer': 'Richard Trevithick', 'provenance': [{'wikipedia_id': '234542', 'title': 'Richard Trevithick', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '234542', 'title': 'Richard Trevithick', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 751, 'bleu_score': 0.9712974955244601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11293611111990773524}, 'section': 'Section::::Abstract.'}]}]