Question: who is the all time leading scorer in the premier league
[{'answer': 'Alan Shearer', 'provenance': [{'wikipedia_id': '30388504', 'title': 'List of footballers with 100 or more Premier League goals', 'start_paragraph_id': 2, 'start_character': 27, 'end_paragraph_id': 2, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]