Question: where was the first summit of non aligned movement held
[{'answer': 'Yugoslavia', 'provenance': [{'wikipedia_id': '36565', 'title': 'Non-Aligned Movement', 'start_paragraph_id': 2, 'start_character': 113, 'end_paragraph_id': 2, 'end_character': 123, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]