Question: who is credited with the reinvention and popularization of oil paints
[{'answer': 'Jan van Eyck', 'provenance': [{'wikipedia_id': '668958', 'title': 'Oil paint', 'start_paragraph_id': 12, 'start_character': 494, 'end_paragraph_id': 12, 'end_character': 506, 'bleu_score': 1.0, 'section': 'Section::::History.:Renaissance onwards.\n'}]}, {'provenance': [{'wikipedia_id': '668958', 'title': 'Oil paint', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 994, 'bleu_score': 0.959645608712097, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11459073485739001702}, 'section': 'Section::::History.:Renaissance onwards.\n'}]}]