Question: who is the voice of patchy in walking with dinosaurs
[{'answer': 'Justin Long', 'provenance': [{'wikipedia_id': '32784130', 'title': 'Walking with Dinosaurs (film)', 'start_paragraph_id': 1, 'start_character': 211, 'end_paragraph_id': 1, 'end_character': 222, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]