Question: who played ted's sister on how i met your mother
[{'answer': 'Erin Jessica Cahill', 'provenance': [{'wikipedia_id': '1095247', 'title': 'Erin Cahill', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1095247', 'title': 'Erin Cahill', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 420, 'bleu_score': 0.90530799767849, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13386641138037859289}, 'section': 'Section::::Abstract.'}]}]