Question: who plays vincent van gogh in loving vincent
[{'answer': 'Robert Gulaczyk', 'provenance': [{'wikipedia_id': '49626478', 'title': 'Loving Vincent', 'start_paragraph_id': 11, 'start_character': 12, 'end_paragraph_id': 11, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '49626478', 'title': 'Loving Vincent', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 47, 'bleu_score': 0.6803749333171201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11908591385726600463}, 'section': 'Section::::Cast.\n'}]}]