Question: Which organisation hired the most number of research staff? List the organisation id, type and detail.
SQL: 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;