Question: who played the mad hatter in alice through the looking glass
[{'answer': 'Johnny Depp', 'provenance': [{'wikipedia_id': '43472499', 'title': 'Alice Through the Looking Glass (2016 film)', 'start_paragraph_id': 1, 'start_character': 401, 'end_paragraph_id': 1, 'end_character': 412, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]