What are the ids, types, and details of the organization with the most research staff?
SELECT T1.organisation_id ,  T1.organisation_type ,  T1.organisation_details FROM Organisations AS T1 JOIN Research_Staff AS T2 ON T1.organisation_id  =  T2.employer_organisation_id GROUP BY T1.organisation_id ORDER BY count(*) DESC LIMIT 1
SELECT T1.organisation_id ,  T1.organisation_type ,  T1.organisation_details FROM Organisations AS T1 JOIN Research_Staff AS T2 ON T1.organisation_id  =  T2.employer_organisation_id GROUP BY T1.organisation_id ORDER BY count(*) DESC LIMIT 1
[{'organisation_id': 5, 'organisation_type': 'SPON', 'organisation_details': 'tenetur'}]