Question: who is the voice of shadow on homeward bound
[{'answer': 'Don Ameche', 'provenance': [{'wikipedia_id': '1212256', 'title': 'Homeward Bound: The Incredible Journey', 'start_paragraph_id': 3, 'start_character': 282, 'end_paragraph_id': 3, 'end_character': 292, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '1212256', 'title': 'Homeward Bound: The Incredible Journey', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 684, 'bleu_score': 0.9832621206481431, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12491932455215274105}, 'section': 'Section::::Plot.\n'}]}]