Question: who plays clark kent in man of steel
[{'answer': 'Cavill', 'provenance': [{'wikipedia_id': '2278804', 'title': 'Henry Cavill', 'start_paragraph_id': 0, 'start_character': 6, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]