Question: when was the minute hand added to clocks
[{'answer': 'around 1690', 'provenance': [{'wikipedia_id': '564384', 'title': 'Clock face', 'start_paragraph_id': 15, 'start_character': 360, 'end_paragraph_id': 15, 'end_character': 371, 'bleu_score': 1.0, 'section': 'Section::::Historical development.\n'}]}, {'provenance': [{'wikipedia_id': '564384', 'title': 'Clock face', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 1052, 'bleu_score': 0.988795076120877, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9604898708463597206}, 'section': 'Section::::Historical development.\n'}]}]