how many times is the jewel malachite?
CREATE TABLE "jewelpets" (
  "name" text,
  "jewel" text,
  "species" text,
  "gender" text,
  "jewel_power" text,
  "attribute" text,
  "birthday" text,
  "media_debut" text,
  "voice_actor" text
);
SELECT COUNT("birthday") FROM "jewelpets" WHERE "jewel"='Malachite';