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

Show the name and opening year for three churches that opened most recently.
SELECT name, open_date FROM church ORDER BY open_date DESC LIMIT 3
SELECT "name", "open_date" FROM "church" ORDER BY "open_date" DESC NULLS LAST LIMIT 3