What is the Cache with a Capacity that is 600 gb?
CREATE TABLE "models" (
  "model_no" text,
  "gen" text,
  "released" text,
  "capacity" text,
  "cache" text,
  "interface" text,
  "feature_set" text,
  "sector_size" text
);
SELECT "cache" FROM "models" WHERE "capacity"='600 gb';