What is {based on} of {degrees Celsius} that is {defining formula} is {^{\circ}\text{C} = \text{K} - 273.15} ?
What is based on  degrees Celsius that is defining formula is ^{\circ}\text{C} = \text{K} - 273.15 ?
SELECT ?obj WHERE { wd:Q25267 p:P144 ?s . ?s ps:P144 ?obj . ?s pq:P2534 ?x filter(contains(?x,'^{\circ}\text{C} = \text{K} - 273.15')) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q25267> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P144> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P2534> <^{\circ}\text{C} = \text{K} - 273.15>
} 

What is based on degrees Celsius that's characterizing equation is ^{circ}text{C} = text{K} - 273.15 ?