Question: when did ava show up in port charles
[{'answer': 'May 8 , 2013', 'provenance': [{'wikipedia_id': '39210751', 'title': 'Ava Jerome', 'start_paragraph_id': 5, 'start_character': 686, 'end_paragraph_id': 5, 'end_character': 698, 'bleu_score': 1.0, 'section': 'Section::::Casting and creation.\n'}]}]