Question: What are the area of mathematics which start with the letter T
Paraphrase: What area of mathematics starts with the letter 'T'?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q1936384 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 't')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: type theory, type theory, topological combinatorics, topological combinatorics, topology, topology, trigonometry, trigonometry, topological K-theory, topological K-theory, tropical geometry, tropical geometry, tensor calculus, tensor calculus, transform theory, transform theory, Theory of integrable systems, Theory of integrable systems, topological Galois theory, topological Galois theory, theory of differential equations, theory of differential equations, theory of random matrices, theory of random matrices