Question: who plays will's father in pirates of the caribbean
[{'answer': 'Stellan Skarsgård', 'provenance': [{'wikipedia_id': '3794552', 'title': 'Bootstrap Bill Turner', 'start_paragraph_id': 1, 'start_character': 209, 'end_paragraph_id': 1, 'end_character': 226, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]