question: What empire included all of the Balkan Peninsula north to the southern edge of the Hungarian Plain at the beginning of the 19th century ?
answer: the Ottoman Empire
turker_answer: The Ottoman Empire included all of the Balkan Peninsula north to the southern edge of the Hungarian Plain at the beginning of the 19th century .
rule-based: The Ottoman Empire included all of the Balkan Peninsula north to the southern edge of the Hungarian Plain at the beginning of the 19th century .