Question: this retired ias officer has served as the election commissioner of india between 1990 and 1996
[{'answer': 'Tirunellai Narayana Iyer Seshan', 'provenance': [{'wikipedia_id': '1720718', 'title': 'T. N. Seshan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1720718', 'title': 'T. N. Seshan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 569, 'bleu_score': 0.8718790034311771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16249943613581391349}, 'section': 'Section::::Abstract.'}]}]