Question: when did david bowie's first album come out
[{'answer': 'April 1967', 'provenance': [{'wikipedia_id': '8786', 'title': 'David Bowie', 'start_paragraph_id': 14, 'start_character': 245, 'end_paragraph_id': 14, 'end_character': 255, 'bleu_score': 1.0, 'section': 'Section::::Career.:1962–1967: Early career to debut album.\n'}]}, {'provenance': [{'wikipedia_id': '8786', 'title': 'David Bowie', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 513, 'bleu_score': 0.9768747032089851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16190323250793742946}, 'section': 'Section::::Career.:1962–1967: Early career to debut album.\n'}]}]