who created the paintings from santa maria in taüll and also the da tung and xi'an bao bao ?
SELECT DISTINCT var_uri where brack_open dbr_Paintings_from_Santa_Maria_in_Taüll dbp_artist var_uri sep_dot dbr_Da_Tung_and_Xi'an_Bao_Bao dbp_artist var_uri brack_close