SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/currentteam> <http://dbpedia.org/resource/Michigan_Wolverines> . ?uri <http://dbpedia.org/ontology/formerTeam> <http://dbpedia.org/resource/1998_Baltimore_Ravens_season> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/AmericanFootballPlayer>}
Which american football player's current team is Michigan Wolverines and former team was  Baltimore Ravens ?
SELECT DISTINCT ?e WHERE { ?e property:former_team resource:1998_Baltimore_Ravens_season . ?e rdf:type ontology:American_Football_Player . ?e property:currentteam resource:Michigan_Wolverines }
Jim Harbaugh
[Jim Harbaugh] is the american football player whose current team is Michigan Wolverines and former team was Baltimore Ravens season 1998.
American football player whose current team is the Michigan Wolverines and whose former team was the Baltimore Ravens during the 1998 season is [Jim Harbaugh].