Question: where is gotham city filmed in the dark knight
[{'answer': 'Chicago', 'provenance': [{'wikipedia_id': '4276475', 'title': 'The Dark Knight (film)', 'start_paragraph_id': 2, 'start_character': 313, 'end_paragraph_id': 2, 'end_character': 320, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4276475', 'title': 'The Dark Knight (film)', 'start_paragraph_id': 31, 'start_character': 0, 'end_paragraph_id': 31, 'end_character': 1726, 'bleu_score': 0.9465253854764851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8146471901330094964}, 'section': 'Section::::Production.:Filming.\n'}]}]