CREATE TABLE table_203_837 (id NUMBER, "rank" NUMBER, "name" CLOB, "height\ ft / m" CLOB, "floors" NUMBER, "year" NUMBER, "notes" CLOB)

which is the tallest building ?
SELECT "name" FROM table_203_837 ORDER BY "height\nft / m" DESC LIMIT 1
SELECT "name" FROM "table_203_837" ORDER BY "height\nft / m" DESC FETCH FIRST 1 ROWS ONLY