Question: who developed the steam engine that could drive machinery
[{'answer': 'James Watt', 'provenance': [{'wikipedia_id': '165067', 'title': 'Watt steam engine', 'start_paragraph_id': 1, 'start_character': 182, 'end_paragraph_id': 1, 'end_character': 192, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]