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)
CREATE TABLE wedding (church_id DECIMAL, male_id DECIMAL, female_id DECIMAL, year DECIMAL)

Show the organizer and name for churches that opened between 1830 and 1840.
SELECT organized_by, name FROM church WHERE open_date BETWEEN 1830 AND 1840
SELECT "organized_by", "name" FROM "church" WHERE "open_date" <= 1840 AND "open_date" >= 1830