Question: who played dorcas in lark rise to candleford
[{'answer': 'Julia Sawalha', 'provenance': [{'wikipedia_id': '153093', 'title': 'Julia Sawalha', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '153093', 'title': 'Julia Sawalha', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 508, 'bleu_score': 0.9768747032089851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6014340264260398960}, 'section': 'Section::::Abstract.'}]}]