Which organisation hired the most number of research staff? List the organisation id, type and detail.
return organisations ;return research staffs that  #1 hired ;return number of  #2 for each #1 ;return #1 where #3 is  the  highest ;return the  organisation  id of #4 ;return the  organisation  type of #4 ;return organisation  details of #4 ;return #5 ,  #6 ,   #7
['select', 'project', 'group', 'comparative', 'project', 'project', 'project', 'union']