Question: who invented the spinning jenny and what did it do
[{'answer': 'James Hargreaves', 'provenance': [{'wikipedia_id': '350375', 'title': 'Spinning jenny', 'start_paragraph_id': 1, 'start_character': 193, 'end_paragraph_id': 1, 'end_character': 209, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'reduced the amount of work needed to produce cloth'}, {'provenance': [{'wikipedia_id': '350375', 'title': 'Spinning jenny', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 649, 'bleu_score': 0.9575690457118191, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9422557658314107617}, 'section': 'Section::::Abstract.'}]}]