CREATE TABLE table_203_238 (id DECIMAL, "year" DECIMAL, "competition" TEXT, "venue" TEXT, "position" TEXT, "notes" TEXT)

the two best positions in which kazlou has ranked in major world competition were ________ and ______ .
SELECT "position" FROM table_203_238 ORDER BY "position" LIMIT 2
SELECT "position" FROM "table_203_238" ORDER BY "position" NULLS FIRST LIMIT 2