Question: how many goals has aubameyang scored in arsenal
[{'answer': 'ten', 'provenance': [{'wikipedia_id': '18693518', 'title': 'Pierre-Emerick Aubameyang', 'start_paragraph_id': 9, 'start_character': 224, 'end_paragraph_id': 9, 'end_character': 227, 'bleu_score': 1.0, 'section': 'Section::::Club career.:A.C Milan.\n'}]}]