task_categories:question-answering task_ids:extractive-qa annotations_creators:crowdsourced source_datasets:original language:de language:en license:cc-by-4.0 size_categories:n<1K format:json modality:tabular modality:text library:datasets library:pandas library:mlcroissant library:polars arxiv:1806.03822 region:us migration refugees extractive-qa