CREATE TABLE table_203_788 (id DECIMAL, "year" DECIMAL, "author" TEXT, "illustrator" TEXT, "title" TEXT, "publisher" TEXT)

which illustrator was responsible for the last award winner ?
SELECT "illustrator" FROM table_203_788 ORDER BY "year" DESC LIMIT 1
SELECT "illustrator" FROM "table_203_788" ORDER BY "year" DESC NULLS LAST LIMIT 1