Question: when was the first session of indian national congress held
[{'answer': '28 -- 31 December 1885'}, {'provenance': [{'wikipedia_id': '149333', 'title': 'Indian National Congress', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 689, 'bleu_score': 0.9538330902093691, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7259634536616719916}, 'section': 'Section::::History.:Pre-independence.:Foundation.\n'}]}]