Name the office holder with predecessor as Mark Latham and partner Tim Mathieson?
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/predecessor> <http://dbpedia.org/resource/Mark_Latham> . ?uri <http://dbpedia.org/ontology/partner> <http://dbpedia.org/resource/Tim_Mathieson>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/OfficeHolder>}
Mark_Latham Tim_Mathieson