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

How many churches open each year? Convert the year into the weekday interval and visualize with a bar chart, and rank total number in desc order.
SELECT Open_Date, COUNT(Open_Date) FROM church ORDER BY COUNT(Open_Date) DESC
SELECT "Open_Date", COUNT("Open_Date") FROM "church" ORDER BY COUNT("Open_Date") DESC NULLS LAST