Question: british governor general who introduced first postal system in india was
[{'answer': 'Lord Dalhousie', 'provenance': [{'wikipedia_id': '273608', 'title': 'Postage stamps and postal history of India', 'start_paragraph_id': 23, 'start_character': 467, 'end_paragraph_id': 23, 'end_character': 481, 'bleu_score': 1.0, 'section': 'Section::::Postal history of India.:The Reforms of 1854 and the First Issues.\n'}]}, {'provenance': [{'wikipedia_id': '273608', 'title': 'Postage stamps and postal history of India', 'start_paragraph_id': 23, 'start_character': 0, 'end_paragraph_id': 23, 'end_character': 1019, 'bleu_score': 0.9467164334612401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5608104567761886291}, 'section': 'Section::::Postal history of India.:The Reforms of 1854 and the First Issues.\n'}]}]