task_categories:question-answering task_ids:extractive-qa task_ids:closed-book-qa language:en license:apache-2.0 size_categories:n<1K format:json modality:text library:datasets library:pandas library:mlcroissant library:polars doi:10.57967/hf/5417 region:us question-answering evaluation benchmark toy-dataset tqb++-core