Question: who has been in the most episodes of eastenders
[{'answer': 'Adam Woodyatt', 'provenance': [{'wikipedia_id': '9995', 'title': 'EastEnders', 'start_paragraph_id': 49, 'start_character': 776, 'end_paragraph_id': 49, 'end_character': 789, 'bleu_score': 1.0, 'section': 'Section::::Characters.\n'}]}, {'provenance': [{'wikipedia_id': '9995', 'title': 'EastEnders', 'start_paragraph_id': 59, 'start_character': 0, 'end_paragraph_id': 59, 'end_character': 353, 'bleu_score': 0.608857894269837, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6843801362290347091}, 'section': 'Section::::Characters.\n'}]}]