What is {duration} of {American football} that is {excluding} is {stoppage time} ?
How long does an American football games playtime last?
What is the actual play time of an American football game?
SELECT ?l WHERE { ?m property:excluding resource:stoppage_time . resource:American_football property:duration ?m . ?m property:duration ?l }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q41323> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2047> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P1011> <http://wikidata.dbpedia.org/resource/Q1962593>
} 

SELECT ?obj WHERE { wd:Q41323 p:P2047 ?s . ?s ps:P2047 ?obj . ?s pq:P1011 wd:Q1962593 }