Question: who plays the robot in meet the robinsons
[{'answer': 'Ethan Sandler', 'provenance': [{'wikipedia_id': '2017208', 'title': 'Meet the Robinsons', 'start_paragraph_id': 22, 'start_character': 12, 'end_paragraph_id': 22, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]