Question: who plays the pigeon in cats and dogs
[{'answer': 'Katt Williams', 'provenance': [{'wikipedia_id': '19554171', 'title': 'Cats & Dogs: The Revenge of Kitty Galore', 'start_paragraph_id': 1, 'start_character': 543, 'end_paragraph_id': 1, 'end_character': 556, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19554171', 'title': 'Cats & Dogs: The Revenge of Kitty Galore', 'start_paragraph_id': 21, 'start_character': 0, 'end_paragraph_id': 21, 'end_character': 72, 'bleu_score': 0.8070557274927981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2426241553745684293}, 'section': 'Section::::Cast.:Voice cast.\n'}]}]