name the common home port of the rv barbaros hayreddin paşa and rv barbaros hayreddin paşa ?
SELECT DISTINCT var_uri where brack_open dbr_RV_Barbaros_Hayreddin_Paşa dbo_homeport var_uri sep_dot dbr_RV_Barbaros_Hayreddin_Paşa dbo_homeport var_uri brack_close