Question: who is the main actor in deadpool 2
[{'answer': 'Ryan Reynolds', 'provenance': [{'wikipedia_id': '47495546', 'title': 'Deadpool 2', 'start_paragraph_id': 1, 'start_character': 281, 'end_paragraph_id': 1, 'end_character': 294, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '47495546', 'title': 'Deadpool 2', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 545, 'bleu_score': 0.6800378636405751, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16993148808881371601}, 'section': 'Section::::Abstract.'}]}]