Which Category were Libby Goldstein and Junie Lowry-Johnson recipients and nominees for?
CREATE TABLE "emmy_awards" (
  "year" real,
  "category" text,
  "recipients_and_nominees" text,
  "role_episode" text,
  "result" text
);
SELECT "category" FROM "emmy_awards" WHERE "recipients_and_nominees"='libby goldstein and junie lowry-johnson';