["language:ja", "size_categories:10K<n<100K", "region:us"]
[{"name": "qid", "dtype": "string"}, {"name": "competition", "dtype": "string"}, {"name": "timestamp", "dtype": "string"}, {"name": "section", "dtype": "string"}, {"name": "number", "dtype": "string"}, {"name": "original_question", "dtype": "string"}, {"name": "original_answer", "dtype": "string"}, {"name": "original_additional_info", "dtype": "string"}, {"name": "question", "dtype": "string"}, {"name": "answers", "list": "string"}, {"name": "passages", "list": [{"name": "passage_id", "dtype": "int32"}, {"name": "title", "dtype": "string"}, {"name": "text", "dtype": "string"}]}, {"name": "positive_passage_indices", "list": "int32"}, {"name": "negative_passage_indices", "list": "int32"}]