Question: who is all time highest goal scorer in world cup
[{'answer': 'Miroslav Klose', 'provenance': [{'wikipedia_id': '43255516', 'title': 'FIFA World Cup top goalscorers', 'start_paragraph_id': 2, 'start_character': 696, 'end_paragraph_id': 2, 'end_character': 710, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]