Question: who plays the voice of bailey in a dog's purpose
[{'answer': 'Josh Gad', 'provenance': [{'wikipedia_id': '48359710', 'title': "A Dog's Purpose (film)", 'start_paragraph_id': 1, 'start_character': 419, 'end_paragraph_id': 1, 'end_character': 427, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '48359710', 'title': "A Dog's Purpose (film)", 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 73, 'bleu_score': 0.71662583752827, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12388475913554484363}, 'section': 'Section::::Cast.\n'}]}]