CREATE TABLE table_203_607 (id DECIMAL, "catalogue number" TEXT, "artist" TEXT, "release title" TEXT, "format" TEXT, "release date" TEXT)

what was the first release title from coh ?
SELECT "release title" FROM table_203_607 WHERE "artist" = 'coh' ORDER BY "release date" LIMIT 1
SELECT "release title" FROM "table_203_607" WHERE "artist" = 'coh' ORDER BY "release date" NULLS FIRST LIMIT 1