Question: when does laurel's sister come back in arrow
[{'answer': 'In season two', 'provenance': [{'wikipedia_id': '45244123', 'title': 'Sara Lance', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Appearances.:"Arrow".\n'}]}, {'provenance': [{'wikipedia_id': '45244123', 'title': 'Sara Lance', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 705, 'bleu_score': 0.9628278278632151, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16454416449829516159}, 'section': 'Section::::Appearances.:"Arrow".\n'}]}]