Question: who was a in season 1 pretty little liars
[{'answer': 'Troian Bellisario', 'provenance': [{'wikipedia_id': '27047554', 'title': 'Pretty Little Liars (season 1)', 'start_paragraph_id': 58, 'start_character': 153, 'end_paragraph_id': 58, 'end_character': 170, 'bleu_score': 1.0, 'section': 'Section::::Casting.\n'}]}, {'answer': 'Ashley Benson', 'provenance': [{'wikipedia_id': '27047554', 'title': 'Pretty Little Liars (season 1)', 'start_paragraph_id': 58, 'start_character': 314, 'end_paragraph_id': 58, 'end_character': 327, 'bleu_score': 1.0, 'section': 'Section::::Casting.\n'}]}, {'answer': 'Holly Marie Combs', 'provenance': [{'wikipedia_id': '27047554', 'title': 'Pretty Little Liars (season 1)', 'start_paragraph_id': 59, 'start_character': 314, 'end_paragraph_id': 59, 'end_character': 331, 'bleu_score': 1.0, 'section': 'Section::::Casting.\n'}]}, {'answer': 'Lucy Hale', 'provenance': [{'wikipedia_id': '27047554', 'title': 'Pretty Little Liars (season 1)', 'start_paragraph_id': 58, 'start_character': 87, 'end_paragraph_id': 58, 'end_character': 96, 'bleu_score': 1.0, 'section': 'Section::::Casting.\n'}]}, {'answer': 'Ian Harding', 'provenance': [{'wikipedia_id': '27047554', 'title': 'Pretty Little Liars (season 1)', 'start_paragraph_id': 58, 'start_character': 175, 'end_paragraph_id': 58, 'end_character': 186, 'bleu_score': 1.0, 'section': 'Section::::Casting.\n'}]}, {'answer': 'Bianca Lawson', 'provenance': [{'wikipedia_id': '27047554', 'title': 'Pretty Little Liars (season 1)', 'start_paragraph_id': 58, 'start_character': 473, 'end_paragraph_id': 58, 'end_character': 486, 'bleu_score': 1.0, 'section': 'Section::::Casting.\n'}]}, {'answer': 'Laura Leighton', 'provenance': [{'wikipedia_id': '27047554', 'title': 'Pretty Little Liars (season 1)', 'start_paragraph_id': 58, 'start_character': 405, 'end_paragraph_id': 58, 'end_character': 419, 'bleu_score': 1.0, 'section': 'Section::::Casting.\n'}]}, {'answer': 'Chad Lowe', 'provenance': [{'wikipedia_id': '27047554', 'title': 'Pretty Little Liars (season 1)', 'start_paragraph_id': 59, 'start_character': 229, 'end_paragraph_id': 59, 'end_character': 238, 'bleu_score': 1.0, 'section': 'Section::::Casting.\n'}]}, {'answer': 'Shay Mitchell', 'provenance': [{'wikipedia_id': '27047554', 'title': 'Pretty Little Liars (season 1)', 'start_paragraph_id': 58, 'start_character': 347, 'end_paragraph_id': 58, 'end_character': 360, 'bleu_score': 1.0, 'section': 'Section::::Casting.\n'}]}, {'answer': 'Sasha Pieterse', 'provenance': [{'wikipedia_id': '27047554', 'title': 'Pretty Little Liars (season 1)', 'start_paragraph_id': 58, 'start_character': 602, 'end_paragraph_id': 58, 'end_character': 616, 'bleu_score': 1.0, 'section': 'Section::::Casting.\n'}]}]