CREATE TABLE table_66143 ("Model number" CLOB, "sSpec number" CLOB, "Cores" CLOB, "Frequency" CLOB, "Turbo" CLOB, "L2 cache" CLOB, "L3 cache" CLOB, "GPU model" CLOB, "GPU frequency" CLOB, "Socket" CLOB, "I/O bus" CLOB, "Release date" CLOB, "Part number ( s ) " CLOB, "Release price  (  USD  ) " CLOB)

What is the L2 cache for the processor with iris pro graphics 5200 and frequency of 2.6 ghz?
SELECT "L2 cache" FROM table_66143 WHERE "GPU model" = 'iris pro graphics 5200' AND "Frequency" = '2.6 ghz'
SELECT "L2 cache" FROM "table_66143" WHERE "Frequency" = '2.6 ghz' AND "GPU model" = 'iris pro graphics 5200'