Question: who was one of the first artist to use the netherlandish style of painting
[{'answer': 'Robert Campin', 'provenance': [{'wikipedia_id': '799881', 'title': 'Early Netherlandish painting', 'start_paragraph_id': 1, 'start_character': 363, 'end_paragraph_id': 1, 'end_character': 376, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Jan van Eyck', 'provenance': [{'wikipedia_id': '799881', 'title': 'Early Netherlandish painting', 'start_paragraph_id': 1, 'start_character': 381, 'end_paragraph_id': 1, 'end_character': 393, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '799881', 'title': 'Early Netherlandish painting', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1122, 'bleu_score': 0.7013082451196011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9495051194906670922}, 'section': 'Section::::Abstract.'}]}]