what are the common sports played by clarendon college and polytechnic university of philippines polytechnic university of the philippines quezon city ?
SELECT DISTINCT var_uri where brack_open dbr_Clarendon_College_ attr_open Texas attr_close dbo_athletics var_uri sep_dot dbr_Polytechnic_University_of_the_Philippines_Quezon_City dbo_sport var_uri brack_close