What is the L2 Cache for Model Number nano u3400 with an Idle Power of 100mw?
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 "l2_cache" FROM "ultra_low_voltage_processors" WHERE "idle_power"='100mw' AND "model_number"='nano u3400';