Task: Question Answering
Input (English): Passage: The Gorals of southern Poland and northern Slovakia are partially descended from Romance-speaking Vlachs who migrated into the region from the 14th to 17th centuries and were absorbed into the local population. The population of Moravian Wallachia also descend of this population. Question: When did the Vlachs migrate into the region?
Output (English): 14th to 17th centuries