Question: in which city was the world's first planetarium projector installed in 1923
[{'answer': 'Munich', 'provenance': [{'wikipedia_id': '2329809', 'title': 'Zeiss projector', 'start_paragraph_id': 3, 'start_character': 121, 'end_paragraph_id': 3, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2329809', 'title': 'Zeiss projector', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 562, 'bleu_score': 0.977897140678983, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1194345462716706296}, 'section': 'Section::::Abstract.'}]}]