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

what is the tallest building in columbus ?
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 NULLS LAST LIMIT 1