Question: who played john steed in the original avenger series
[{'answer': 'Patrick Macnee', 'provenance': [{'wikipedia_id': '31523', 'title': 'The Avengers (TV series)', 'start_paragraph_id': 1, 'start_character': 145, 'end_paragraph_id': 1, 'end_character': 159, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31523', 'title': 'The Avengers (TV series)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 676, 'bleu_score': 0.9076523920637031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7986777375822068800}, 'section': 'Section::::Abstract.'}]}]