what is the latest year that has the result of nominated and the nominated work title is n/a?
CREATE TABLE "awards_achievements" (
  "year" real,
  "organisation" text,
  "award" text,
  "nominated_work_title" text,
  "result" text
);
SELECT MAX("year") FROM "awards_achievements" WHERE "result"='nominated' AND "nominated_work_title"='n/a';