Question: in which style did georges seurat paint a sunday on la grande jatte
[{'answer': 'pointillist technique', 'provenance': [{'wikipedia_id': '518691', 'title': 'A Sunday Afternoon on the Island of La Grande Jatte', 'start_paragraph_id': 1, 'start_character': 137, 'end_paragraph_id': 1, 'end_character': 158, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '518691', 'title': 'A Sunday Afternoon on the Island of La Grande Jatte', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 281, 'bleu_score': 0.7036094196069861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4992426048858588404}, 'section': 'Section::::Abstract.'}]}]