Question: which iconic character is featured in movies such as the enforcer sudden impact and the dead pool
[{'answer': 'Harry Callahan', 'provenance': [{'wikipedia_id': '4021779', 'title': 'Dirty Harry (film series)', 'start_paragraph_id': 1, 'start_character': 124, 'end_paragraph_id': 1, 'end_character': 138, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]