Question: when was hayden christensen added to return of the jedi
[{'answer': '2004', 'provenance': [{'wikipedia_id': '50744', 'title': 'Return of the Jedi', 'start_paragraph_id': 37, 'start_character': 336, 'end_paragraph_id': 37, 'end_character': 340, 'bleu_score': 1.0, 'section': 'Section::::Production.:Music.\n'}]}, {'provenance': [{'wikipedia_id': '50744', 'title': 'Return of the Jedi', 'start_paragraph_id': 49, 'start_character': 0, 'end_paragraph_id': 49, 'end_character': 1210, 'bleu_score': 0.9246658903209921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6887918365007556335}, 'section': 'Section::::Release.:Home media.\n'}]}]