Question: who played private ryan in the film saving private ryan
[{'answer': 'Matt Damon', 'provenance': [{'wikipedia_id': '28269', 'title': 'Saving Private Ryan', 'start_paragraph_id': 1, 'start_character': 615, 'end_paragraph_id': 1, 'end_character': 625, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28269', 'title': 'Saving Private Ryan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 673, 'bleu_score': 0.8968451998480711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11620262981309959919}, 'section': 'Section::::Abstract.'}]}]