which tropical cyclone category has minimum storm surge of 1.8?
Entity
m.01xsxhn
Category 2 Hurricane (SSHS)
class literal
meteorology.tropical_cyclone_category 1.8^^http://www.w3.org/2001/XMLSchema#float
meteorology.tropical_cyclone_category type.float
Tropical cyclone category 1.8
none none
meteorology.tropical_cyclone_category.min_storm_surge
Minimum storm surge
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :meteorology.tropical_cyclone_category . 
VALUES ?x1 { "1.8"^^<http://www.w3.org/2001/XMLSchema#float> } 
?x0 :meteorology.tropical_cyclone_category.min_storm_surge ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND meteorology.tropical_cyclone_category (JOIN meteorology.tropical_cyclone_category.min_storm_surge 1.8^^http://www.w3.org/2001/XMLSchema#float))