SELECT T1.organisation_type ,  T1.organisation_id 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
What is the organisation type and id of the organisation which has the most number of research staff?
SELECT T1.organisation_type , T1.organisation_id 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_type , t1 . organisation_id 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 value
What is the organisation type and id of the organisation which has the most number of research staff ?