Which Viewers (millions) has an Episode of "i'm not a good villain", and a Share smaller than 12?
CREATE TABLE "u_s_nielsen_ratings" (
  "episode" text,
  "rating" real,
  "share" real,
  "viewers_millions" real,
  "weekly_rank" text
);
SELECT MAX("viewers_millions") FROM "u_s_nielsen_ratings" WHERE "episode"='\"i''m not a good villain\"' AND "share"<12;