Question: who scored maximum goals in a single world cup match
[{'answer': 'Oleg Salenko', 'provenance': [{'wikipedia_id': '3602475', 'title': 'List of FIFA World Cup records and statistics', 'start_paragraph_id': 137, 'start_character': 45, 'end_paragraph_id': 137, 'end_character': 57, 'bleu_score': 1.0, 'section': 'Section::::Goalscoring.:Individual.\n'}]}]