SELECT Denomination FROM school WHERE Founded  <  1890 INTERSECT SELECT Denomination FROM school WHERE Founded  >  1900
What are the denominations used by both schools founded before 1890 and schools founded  after 1900?
SELECT Denomination FROM school WHERE Founded < 1890 INTERSECT SELECT Denomination FROM school WHERE Founded > 1900
select denomination from school where founded < value intersect select denomination from school where founded > value
What are the denominations used by both schools founded before 1890 and schools founded after 1900 ?