What is the {office building} with the {MIN(floors below ground)} whose {significant event} is {start of construction}  ?
Name the office constructing with the lowest flooring under floor who just started out construction.
Name the office building with the lowest floors below ground who just started construction.
SELECT ?f WHERE { ?f property:floors_below_ground ?v . ?f property:significant_event resource:start_of_manufacturing_or_construction . ?f rdf:type ontology:office_building }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q1021645>.

?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/P1139>.
?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/P793> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q27136782> .

}
ORDER BY ASC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q1021645 . ?ent wdt:P1139 ?obj . ?ent wdt:P793 wd:Q27136782} ORDER BY ASC(?obj)LIMIT 5 
103 Colmore Row 800 Westchester Avenue Commerzbank Tower Tower 185 Friedrich-Engelhorn-Hochhaus