Question: time taken from delhi airport to delhi railway station
[{'answer': '19 minutes', 'provenance': [{'wikipedia_id': '22758151', 'title': 'Delhi Airport Metro Express', 'start_paragraph_id': 2, 'start_character': 242, 'end_paragraph_id': 2, 'end_character': 252, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22758151', 'title': 'Delhi Airport Metro Express', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 293, 'bleu_score': 0.9379652368579061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10484920613168083451}, 'section': 'Section::::Abstract.'}]}]