what is the main common interests of the nur ad-din al-bitruji and ʿabd al‐wājid ?
SELECT DISTINCT var_uri where brack_open dbr_Nur_ad-Din_al-Bitruji dbp_mainInterests var_uri sep_dot dbr_ʿAbd_al‐Wājid dbp_mainInterests var_uri brack_close