Question: how many goals did shevchenko scored for chelsea
[{'answer': '9', 'provenance': [{'wikipedia_id': '616622', 'title': 'Andriy Shevchenko', 'start_paragraph_id': 1, 'start_character': 42, 'end_paragraph_id': 1, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]