CREATE TABLE perpetrator (Perpetrator_ID NUMBER, People_ID NUMBER, Date CLOB, Year FLOAT, Location CLOB, Country CLOB, Killed NUMBER, Injured NUMBER)
CREATE TABLE people (People_ID NUMBER, Name CLOB, Height FLOAT, Weight FLOAT, "Home Town" CLOB)

Visualize a bar chart for what are the countries of perpetrators? Show each country and the corresponding number of perpetrators there, could you display in descending by the x axis?
SELECT Country, COUNT(*) FROM perpetrator GROUP BY Country ORDER BY Country DESC
SELECT "Country", COUNT(*) FROM "perpetrator" GROUP BY "Country" ORDER BY "Country" DESC