Question: Liebeslieder Walzer, Op. 52, are a collection of love songs in Ländler style for voices and piano four hands, written by Johannes Brahms, he was a German composer and pianist of the Romantic period, and born in which city?
{'answer': 'Hamburg', 'supporting_facts': [['Liebeslieder Walzer, Op. 52 (Brahms)', 0], ['Johannes Brahms', 1]]}