what is the {position played on team / speciality} for {George Blanda} has {member of sports team} as {Oakland Raiders} ?
which one is the speciality for George Blanda's as a member of the sports team, Oakland Raiders
What is George Blanda's speciality as a member of the sports team, Oakland Raiders
SELECT ?a WHERE { resource:George_Blanda property:member_of_sports_team ?w . ?w property:position_played_on_team_/_speciality ?a . ?w property:member_of_sports_team resource:Las_Vegas_Raiders }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q980691> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P54> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q324523> .
?statement <http://www.wikidata.org/entity/P413> ?value. 
} 

SELECT ?value WHERE { wd:Q980691 p:P54 ?s . ?s ps:P54 wd:Q324523 . ?s pq:P413 ?value}