CREATE TABLE wedding (church_id DECIMAL, male_id DECIMAL, female_id DECIMAL, year DECIMAL)
CREATE TABLE people (people_id DECIMAL, name TEXT, country TEXT, is_male TEXT, age DECIMAL)
CREATE TABLE church (church_id DECIMAL, name TEXT, organized_by TEXT, open_date DECIMAL, continuation_of TEXT)

List all church names in descending order of opening date.
SELECT name FROM church ORDER BY open_date DESC
SELECT "name" FROM "church" ORDER BY "open_date" DESC NULLS LAST