Question: who voices the main character in the lego movie
[{'answer': 'Chris Pratt', 'provenance': [{'wikipedia_id': '37864037', 'title': 'The Lego Movie', 'start_paragraph_id': 1, 'start_character': 417, 'end_paragraph_id': 1, 'end_character': 428, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]