Question: how many goals has pierre emerick aubameyang scored for arsenal
[{'answer': '10', 'provenance': [{'wikipedia_id': '18693518', 'title': 'Pierre-Emerick Aubameyang', 'start_paragraph_id': 12, 'start_character': 16, 'end_paragraph_id': 12, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Club career.:A.C Milan.:2008–09: Loan to Dijon.\n'}]}]