what is the company which has khalid bin abdullah al khalifa and khalid bin abdullah al khalifa as key person ?
SELECT DISTINCT var_uri where brack_open var_uri dbp_keyPeople dbr_Khalid_bin_Abdullah_Al_Khalifa sep_dot var_uri dbp_keyPeople dbr_Khalid_bin_Abdullah_Al_Khalifa sep_dot var_uri a dbo_Company brack_close