Question: who played ben parish in the 5th wave
[{'answer': 'Nick Robinson', 'provenance': [{'wikipedia_id': '43142604', 'title': 'The 5th Wave (film)', 'start_paragraph_id': 1, 'start_character': 242, 'end_paragraph_id': 1, 'end_character': 255, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]