Question: who plays grindelwald in fantastic beasts and where to find them
[{'answer': 'Johnny Depp', 'provenance': [{'wikipedia_id': '47569084', 'title': 'Fantastic Beasts and Where to Find Them (film)', 'start_paragraph_id': 26, 'start_character': 12, 'end_paragraph_id': 26, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]