what is the main common interests of the sayf al-din al-amidi and abd al-ghani al-maqdisi ?
SELECT DISTINCT var_uri where brack_open dbr_Sayf_al-Din_al-Amidi dbp_mainInterests var_uri sep_dot dbr_Abd_al-Ghani_al-Maqdisi dbp_mainInterests var_uri brack_close