SELECT denomination FROM school WHERE founded < 1890 INTERSECT SELECT denomination FROM school WHERE founded > 1900
Show the denomination shared by schools founded before 1890 and schools founded after 1900
CREATE TABLE school_details (
    school_id number,
    nickname text,
    colors text,
    league text,
    class text,
    division text
)

CREATE TABLE school_performance (
    school_id number,
    school_year text,
    class_a text,
    class_aa text
)

CREATE TABLE school (
    school_id number,
    school text,
    location text,
    enrollment number,
    founded number,
    denomination text,
    boys_or_girls text,
    day_or_boarding text,
    year_entered_competition number,
    school_colors text
)

CREATE TABLE player (
    player_id number,
    player text,
    team text,
    age number,
    position text,
    school_id number
)