CREATE TABLE church (church_id DECIMAL, name TEXT, organized_by TEXT, open_date DECIMAL, continuation_of TEXT)
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)

Show the name and age for all male people who don't have a wedding.
SELECT name, age FROM people WHERE is_male = 'T' AND NOT people_id IN (SELECT male_id FROM wedding)
SELECT "name", "age" FROM "people" WHERE "is_male" = 'T' AND NOT "people_id" IN (SELECT "male_id" FROM "wedding")