Question: How many texture (gt/s) the card has if the tdp (watts) GPU only is 18?
Schema: create table table_26860595_2 (texture___gt__s_ varchar, tdp__watts__gpu_only varchar, PRIMARY KEY (texture___gt__s_))
SQL: select count(texture___gt__s_) from table_26860595_2 where tdp__watts__gpu_only = "18"