CREATE TABLE church (Church_ID NUMBER, Name CLOB, Organized_by CLOB, Open_Date NUMBER, Continuation_of CLOB)
CREATE TABLE people (People_ID NUMBER, Name CLOB, Country CLOB, Is_Male CLOB, Age NUMBER)
CREATE TABLE wedding (Church_ID NUMBER, Male_ID NUMBER, Female_ID NUMBER, Year NUMBER)

How many churches open each year? Convert the year into the weekday interval and visualize with a bar chart, and display in ascending by the Y-axis.
SELECT Open_Date, COUNT(Open_Date) FROM church ORDER BY COUNT(Open_Date)
SELECT "Open_Date", COUNT("Open_Date") FROM "church" ORDER BY COUNT("Open_Date")