task_categories:visual-question-answering task_categories:question-answering language:en license:cc-by-sa-4.0 size_categories:1K<n<10K format:json modality:image modality:text library:datasets library:pandas library:mlcroissant library:polars arxiv:2503.19498 region:us chart-reasoning chart-understanding chart-question-answering scientific-chart Astronomy