Question: how many members are there in lok sabha
[{'answer': '545', 'provenance': [{'wikipedia_id': '275456', 'title': 'Lok Sabha', 'start_paragraph_id': 2, 'start_character': 105, 'end_paragraph_id': 2, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]