CREATE TABLE region (Region_ID NUMBER, Region_name CLOB, Date CLOB, Label CLOB, Format CLOB, Catalogue CLOB)
CREATE TABLE party_events (Event_ID NUMBER, Event_Name CLOB, Party_ID NUMBER, Member_in_charge_ID NUMBER)
CREATE TABLE party (Party_ID NUMBER, Minister CLOB, Took_office CLOB, Left_office CLOB, Region_ID NUMBER, Party_name CLOB)
CREATE TABLE member (Member_ID NUMBER, Member_Name CLOB, Party_ID CLOB, In_office CLOB)

Stacked bar chart of the number of left office for with each Minister in each left office, could you display in asc by the y-axis?
SELECT Left_office, COUNT(Left_office) FROM party GROUP BY Minister ORDER BY COUNT(Left_office)
SELECT "Left_office", COUNT("Left_office") FROM "party" GROUP BY "Minister" ORDER BY COUNT("Left_office")