Question: where was the first nam summit conference held
[{'answer': 'Belgrade , Yugoslavia', 'provenance': [{'wikipedia_id': '36565', 'title': 'Non-Aligned Movement', 'start_paragraph_id': 2, 'start_character': 103, 'end_paragraph_id': 2, 'end_character': 131, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '36565', 'title': 'Non-Aligned Movement', 'start_paragraph_id': 15, 'start_character': 651, 'end_paragraph_id': 15, 'end_character': 987, 'bleu_score': 0.736517016410827, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15693453752775162015}, 'section': 'Section::::History.:Origins and the Cold War.\n'}]}]