which museum exhibits the the doge on the bucintoro near the riva di sant'elena by francesco guardi ?
select distinct var_uri where brack_open dbr_The_Doge_on_the_Bucintoro_near_the_Riva_di_Sant'Elena_ attr_open painting attr_close dbo_museum var_uri sep_dot dbr_The_Doge_on_the_Bucintoro_near_the_Riva_di_Sant'Elena_ attr_open painting attr_close dbo_author dbr_Francesco_Guardibrack_close