Question: when was india's first scientific expedition to the south pole launched
[{'answer': '1981', 'provenance': [{'wikipedia_id': '1238902', 'title': 'Indian Antarctic Program', 'start_paragraph_id': 1, 'start_character': 222, 'end_paragraph_id': 1, 'end_character': 226, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1238902', 'title': 'Indian Antarctic Program', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 766, 'bleu_score': 0.886165343997467, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14995240236367047065}, 'section': 'Section::::Abstract.'}]}]