Question: how many seat required to form government in pakistan
[{'answer': '342', 'provenance': [{'wikipedia_id': '761068', 'title': 'National Assembly of Pakistan', 'start_paragraph_id': 1, 'start_character': 351, 'end_paragraph_id': 1, 'end_character': 354, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]