Question: who developed a steam engine that could drive machinery
[{'answer': 'James Watt', 'provenance': [{'wikipedia_id': '27692', 'title': 'Steam engine', 'start_paragraph_id': 4, 'start_character': 362, 'end_paragraph_id': 4, 'end_character': 372, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]