Question: when was joseph and the technicolor dreamcoat written
[{'answer': '1967', 'provenance': [{'wikipedia_id': '213091', 'title': 'Joseph and the Amazing Technicolor Dreamcoat', 'start_paragraph_id': 18, 'start_character': 17, 'end_paragraph_id': 18, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Production.:Development and early vocal performances, publication, and recordings 1968–1971.\n'}]}, {'provenance': [{'wikipedia_id': '213091', 'title': 'Joseph and the Amazing Technicolor Dreamcoat', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 742, 'bleu_score': 0.9586887923167711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6128622693965959415}, 'section': 'Section::::Production.:Development and early vocal performances, publication, and recordings 1968–1971.\n'}]}]