Question: what was the name of the horse in steptoe and son
[{'answer': 'Hercules', 'provenance': [{'wikipedia_id': '175880', 'title': 'Steptoe and Son', 'start_paragraph_id': 19, 'start_character': 223, 'end_paragraph_id': 19, 'end_character': 231, 'bleu_score': 1.0, 'section': 'Section::::Production.:Music.\n'}]}, {'provenance': [{'wikipedia_id': '175880', 'title': 'Steptoe and Son', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 598, 'bleu_score': 0.9804854598160591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8920642580607599037}, 'section': 'Section::::Production.:Music.\n'}]}, {'provenance': [{'wikipedia_id': '175880', 'title': 'Steptoe and Son', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8920642580607599037}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54079424', 'title': 'List of Steptoe and Son characters', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Steptoe and Son is a British sitcom created by comedy writers Ray Galton and Alan Simpson, originally broadcast over four series between 1962 and 1965, and again for a further three series and two Christmas specials between 1970 and 1974. Two films followed the series; "Steptoe and Son" and "Steptoe and Son Ride Again". The series revolved around father-and-son duo Albert and Harold Steptoe, the titular father and son, who live together in their rag-and-bone yard with their horse Hercules.', 'Steptoe and Son is a British sitcom created by comedy writers Ray Galton and Alan Simpson, originally broadcast over four series between 1962 and 1965, and again for a further three series and two Christmas specials between 1970 and 1974. Two films followed the series; "Steptoe and Son" and "Steptoe and Son Ride Again". The series revolved around father-and-son duo Albert and Harold Steptoe, the titular father and son, who live together in their rag-and-bone yard with their horse Hercules.', 'The series revolved around father-and-son duo Albert and Harold Steptoe, the titular father and son, who live together in their rag-and-bone yard with their horse Hercules.']}}]}, {'provenance': [{'wikipedia_id': '175880', 'title': 'Steptoe and Son', 'section': 'Section::::Production.:Music.\n', 'start_paragraph_id': 19, 'end_paragraph_id': 19, 'meta': {'evidence_span': ['The series\' title music, "Old Ned", won its composer Ron Grainer his second successive Ivor Novello award. The series had no standard set of opening titles but the opening sequences would often feature the Steptoe\'s horse, Hercules.', 'The series\' title music, "Old Ned", won its composer Ron Grainer his second successive Ivor Novello award. The series had no standard set of opening titles but the opening sequences would often feature the Steptoe\'s horse, Hercules.']}}]}]