["task_categories:question-answering", "task_ids:open-domain-qa", "task_ids:extractive-qa", "annotations_creators:crowdsourced", "language_creators:crowdsourced", "multilinguality:monolingual", "source_datasets:squad_v2", "language:en", "license:apache-2.0", "size_categories:100K<n<1M", "region:us"]