Question: tilak nagar is in which zone of delhi
[{'answer': 'West Delhi', 'provenance': [{'wikipedia_id': '1904518', 'title': 'Tilak Nagar (Delhi)', 'start_paragraph_id': 1, 'start_character': 116, 'end_paragraph_id': 1, 'end_character': 126, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1904518', 'title': 'Tilak Nagar (Delhi)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 133, 'bleu_score': 0.849359558491747, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3432675627474532213}, 'section': 'Section::::Abstract.'}]}]