what is the main common interests of the alexandru tzigara-samurcaș and alexandru tzigara-samurcaș ?
SELECT DISTINCT var_uri where brack_open dbr_Alexandru_Tzigara-Samurcaș dbp_mainInterests var_uri sep_dot dbr_Alexandru_Tzigara-Samurcaș dbp_mainInterests var_uri brack_close