Question: what is the name of the silver bean in chicago
[{'answer': 'Cloud Gate', 'provenance': [{'wikipedia_id': '3775304', 'title': 'Cloud Gate', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3775304', 'title': 'Cloud Gate', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 541, 'bleu_score': 0.789442664263425, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3720042620769321772}, 'section': 'Section::::Abstract.'}]}]