who were fighting the war where the 7 . 7 cm fk 96 was used ?
SELECT DISTINCT COUNT attr_open var_uri attr_close where brack_open dbr_7.7_cm_FK_96 dbo_usedInWar var_x sep_dot var_x dbo_territory var_uri sep_dot var_x a dbo_MilitaryConflict brack_close