Show the document name and the document date for all documents on project with details 'Graph Database project'
select document_name, document_date from documents as t1 join projects as t2 on t1.project_id = t2.project_id where t2.project_details = 'Graph database project'
Give me the document name from those documents that has the earliest document date.
select document_name from documents as t1 join projects as t2 on t1.project_id = t2.project_id where t2.project_details = 'Graph database project' order by document_date limit 1
What is its document date?
select document_date from documents as t1 join projects as t2 on t1.project_id = t2.project_id where t2.project_details = 'Graph database project' order by document_date limit 1