What is the L2 cache for the processor with iris pro graphics 5200 and frequency of 2.6 ghz?
CREATE TABLE "haswell_h_quad_core_22_nm" (
  "model_number" text,
  "s_spec_number" text,
  "cores" text,
  "frequency" text,
  "turbo" text,
  "l2_cache" text,
  "l3_cache" text,
  "gpu_model" text,
  "gpu_frequency" text,
  "socket" text,
  "i_o_bus" text,
  "release_date" text,
  "part_number_s" text,
  "release_price_usd" text
);
SELECT "l2_cache" FROM "haswell_h_quad_core_22_nm" WHERE "gpu_model"='iris pro graphics 5200' AND "frequency"='2.6 ghz';