In Shakespeare's works before 1600, list down the title of the tragic story he had written that involved a character named "Tybalt".
works before 1600 refers to DATE < 1600; tragic story refers to GenreType = 'Tragedy'; character named "Tybalt" refers to CharName = 'Tybalt'
SELECT DISTINCT T1.title FROM works AS T1 INNER JOIN chapters AS T2 ON T1.id = T2.work_id INNER JOIN paragraphs AS T3 ON T2.id = T3.chapter_id INNER JOIN characters AS T4 ON T3.character_id = T4.id WHERE T1.DATE < 1600 AND T1.GenreType = 'Tragedy' AND T4.CharName = 'Tybalt'
CREATE TABLE IF NOT EXISTS "chapters"
(
    id          INTEGER
        primary key autoincrement,
    Act         INTEGER not null,
    Scene       INTEGER not null,
    Description TEXT    not null,
    work_id     INTEGER not null
        references works
);
CREATE TABLE sqlite_sequence(name,seq);
CREATE TABLE IF NOT EXISTS "characters"
(
    id          INTEGER
        primary key autoincrement,
    CharName    TEXT not null,
    Abbrev      TEXT not null,
    Description TEXT not null
);
CREATE TABLE IF NOT EXISTS "paragraphs"
(
    id           INTEGER
        primary key autoincrement,
    ParagraphNum INTEGER           not null,
    PlainText    TEXT              not null,
    character_id INTEGER           not null
        references characters,
    chapter_id   INTEGER default 0 not null
        references chapters
);
CREATE TABLE IF NOT EXISTS "works"
(
    id        INTEGER
        primary key autoincrement,
    Title     TEXT    not null,
    LongTitle TEXT    not null,
    Date      INTEGER not null,
    GenreType TEXT    not null
);
