Question: who has scored the most number of 50s in international cricket
[{'answer': 'Sachin Tendulkar', 'provenance': [{'wikipedia_id': '834193', 'title': 'List of One Day International cricket records', 'start_paragraph_id': 3, 'start_character': 227, 'end_paragraph_id': 3, 'end_character': 243, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]