What is the total Cores with a Clock Speed of 1.3ghz?
CREATE TABLE "ultra_low_voltage_processors" (
  "model_number" text,
  "clock_speed" text,
  "l1_cache" text,
  "l2_cache" text,
  "fsb_speed" text,
  "clock_multiplier" text,
  "idle_power" text,
  "socket" text,
  "cores" real,
  "release_date" text
);
SELECT COUNT("cores") FROM "ultra_low_voltage_processors" WHERE "clock_speed"='1.3ghz';