CREATE TABLE table_73603 ("Code name" CLOB, "Brand name" CLOB, "Model  ( list ) " CLOB, "Frequency" CLOB, "Cores/Threads" CLOB, "Max Memory Speed" CLOB)

What brand is model G6xxx?
SELECT "Brand name" FROM table_73603 WHERE "Model (list)" = 'G6xxx'
SELECT "Brand name" FROM "table_73603" WHERE "Model (list)" = 'G6xxx'