What is the {F-type main-sequence star} with the {MIN(stellar rotational velocity)} whose {instance of} is {binary star}  ?
Name the binary F-type main=sequence star that has the slowest stellar rotational velocity.
What binary F-type main-sequence star has the slowest stellar rotational velocity ?
SELECT ?i WHERE { ?i rdf:type ontology:binary_star . . ?i property:stellar_rotational_velocity ?u . ?i rdf:type ontology:F-type_main-sequence_star }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q1353952>.

?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4296>.
?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj1.

?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P31> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q50053> .

}
ORDER BY ASC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q1353952 . ?ent wdt:P4296 ?obj . ?ent wdt:P31 wd:Q50053. } ORDER BY ASC(?obj)LIMIT 5 
Iota Piscium Iota Piscium HD 114837 Theta Persei Gamma Leporis