which military unit garrison is djibouti and djibouti-ambouli international airport ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_garrison dbr_Djibouti_ attr_open city attr_close sep_dot var_uri dbp_garrison dbr_Djibouti-Ambouli_International_Airport sep_dot var_uri a dbo_MilitaryUnit brack_close