Question: who plays mr cross in everyone's hero
[{'answer': 'Robin Williams', 'provenance': [{'wikipedia_id': '2863646', 'title': "Everyone's Hero", 'start_paragraph_id': 1, 'start_character': 417, 'end_paragraph_id': 1, 'end_character': 431, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]