Which date has a Clock of 0.8-1.6ghz?
CREATE TABLE "2000s" (
  "date" real,
  "name" text,
  "developer" text,
  "clock" text,
  "process" text,
  "cores_per_die_dies_per_module" text
);
SELECT "date" FROM "2000s" WHERE "clock"='0.8-1.6ghz';