SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Warren_Magnuson> <http://dbpedia.org/property/successor> ?x . ?x <http://dbpedia.org/property/almaMater> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Senator>}
What is the alma mater of the senator who is the successor of Warren Magnuson ?
SELECT DISTINCT ?o WHERE { resource:Warren_Magnuson property:successor ?z . ?z property:alma_mater ?o . ?z rdf:type ontology:Senator }
Clemson University, Stanford University, Willamette University, Dartmouth College, Columbia Law School
The alma maters of the senatora who are the successors of Warren Magnuson are [Clemson University, Stanford University, Willamette University, Dartmouth College, Columbia Law School].
Warren Magnussen's successors are [Clemson University, Stanford University, Willamette University, Dartmouth College, Columbia Law School].
The alma mater of the senator who is the successor of him  are [Clemson University, Stanford University, Willamette University, Dartmouth College, Columbia Law School].
The senator's alma mater, which is his successor, [Clemson University, Stanford University, Willamette University, Dartmouth College, Columbia Law School].