Question: who were the judges on the first series of britain's got talent
[{'answer': 'Simon Cowell', 'provenance': [{'wikipedia_id': '17643418', 'title': "Britain's Got Talent (series 1)", 'start_paragraph_id': 1, 'start_character': 499, 'end_paragraph_id': 1, 'end_character': 511, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Amanda Holden', 'provenance': [{'wikipedia_id': '17643418', 'title': "Britain's Got Talent (series 1)", 'start_paragraph_id': 1, 'start_character': 481, 'end_paragraph_id': 1, 'end_character': 494, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Piers Morgan', 'provenance': [{'wikipedia_id': '17643418', 'title': "Britain's Got Talent (series 1)", 'start_paragraph_id': 1, 'start_character': 467, 'end_paragraph_id': 1, 'end_character': 479, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]