Question: when was the first election held in pakistan
[{'answer': '1954', 'provenance': [{'wikipedia_id': '1442446', 'title': 'Elections in Pakistan', 'start_paragraph_id': 50, 'start_character': 49, 'end_paragraph_id': 50, 'end_character': 53, 'bleu_score': 1.0, 'section': 'Section::::Voting registration system.\n'}]}]