Question: who were the original cast of emmerdale farm
[{'answer': 'Sheila Mercier', 'provenance': [{'wikipedia_id': '192572', 'title': 'Emmerdale', 'start_paragraph_id': 33, 'start_character': 223, 'end_paragraph_id': 33, 'end_character': 237, 'bleu_score': 1.0, 'section': 'Section::::History.:2009–2011.\n'}]}, {'answer': 'Andrew Burt', 'provenance': [{'wikipedia_id': '192572', 'title': 'Emmerdale', 'start_paragraph_id': 13, 'start_character': 25, 'end_paragraph_id': 13, 'end_character': 36, 'bleu_score': 1.0, 'section': 'Section::::History.:1972–1985: "Emmerdale Farm".\n'}]}, {'answer': 'Jo Kendall', 'provenance': [{'wikipedia_id': '192572', 'title': 'Emmerdale', 'start_paragraph_id': 14, 'start_character': 28, 'end_paragraph_id': 14, 'end_character': 38, 'bleu_score': 1.0, 'section': 'Section::::History.:1972–1985: "Emmerdale Farm".\n'}]}, {'answer': 'Frederick Pyne', 'provenance': [{'wikipedia_id': '192572', 'title': 'Emmerdale', 'start_paragraph_id': 15, 'start_character': 27, 'end_paragraph_id': 15, 'end_character': 41, 'bleu_score': 1.0, 'section': 'Section::::History.:1972–1985: "Emmerdale Farm".\n'}]}, {'answer': 'Frazer Hines', 'provenance': [{'wikipedia_id': '192572', 'title': 'Emmerdale', 'start_paragraph_id': 16, 'start_character': 24, 'end_paragraph_id': 16, 'end_character': 36, 'bleu_score': 1.0, 'section': 'Section::::History.:1972–1985: "Emmerdale Farm".\n'}]}, {'answer': 'Toke Townley', 'provenance': [{'wikipedia_id': '192572', 'title': 'Emmerdale', 'start_paragraph_id': 42, 'start_character': 1935, 'end_paragraph_id': 42, 'end_character': 1947, 'bleu_score': 1.0, 'section': 'Section::::Setting and characters.\n'}]}, {'answer': 'Ronald Magill', 'provenance': [{'wikipedia_id': '192572', 'title': 'Emmerdale', 'start_paragraph_id': 18, 'start_character': 26, 'end_paragraph_id': 18, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::History.:1972–1985: "Emmerdale Farm".\n'}]}, {'answer': 'Arthur Pentelow', 'provenance': [{'wikipedia_id': '192572', 'title': 'Emmerdale', 'start_paragraph_id': 19, 'start_character': 25, 'end_paragraph_id': 19, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::History.:1972–1985: "Emmerdale Farm".\n'}]}, {'answer': 'Gail Harrison', 'provenance': [{'wikipedia_id': '192572', 'title': 'Emmerdale', 'start_paragraph_id': 20, 'start_character': 26, 'end_paragraph_id': 20, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::History.:1972–1985: "Emmerdale Farm".\n'}]}, {'answer': 'Alan Tucker', 'provenance': [{'wikipedia_id': '192572', 'title': 'Emmerdale', 'start_paragraph_id': 21, 'start_character': 27, 'end_paragraph_id': 21, 'end_character': 38, 'bleu_score': 1.0, 'section': 'Section::::History.:1972–1985: "Emmerdale Farm".\n'}]}]