List out the star scores of episode which has title of "How the Test Was Won".
star scores refers to stars
SELECT T2.stars FROM Episode AS T1 INNER JOIN Vote AS T2 ON T2.episode_id = T1.episode_id WHERE T1.title = 'How the Test Was Won';
CREATE TABLE IF NOT EXISTS "Episode"
(
    episode_id       TEXT
        constraint Episode_pk
            primary key,
    season           INTEGER,
    episode          INTEGER,
    number_in_series INTEGER,
    title            TEXT,
    summary          TEXT,
    air_date         TEXT,
    episode_image    TEXT,
    rating           REAL,
    votes            INTEGER
);
CREATE TABLE Person
(
    name          TEXT
        constraint Person_pk
            primary key,
    birthdate     TEXT,
    birth_name    TEXT,
    birth_place   TEXT,
    birth_region  TEXT,
    birth_country TEXT,
    height_meters REAL,
    nickname      TEXT
);
CREATE TABLE Award
(
    award_id       INTEGER
            primary key,
    organization   TEXT,
    year           INTEGER,
    award_category TEXT,
    award          TEXT,
    person         TEXT,
    role           TEXT,
    episode_id     TEXT,
    season         TEXT,
    song           TEXT,
    result         TEXT,
    foreign key (person) references Person(name),
    foreign key (episode_id) references Episode(episode_id)
);
CREATE TABLE Character_Award
(
    award_id  INTEGER,
    character TEXT,
    foreign key (award_id) references Award(award_id)
);
CREATE TABLE Credit
(
    episode_id TEXT,
    category   TEXT,
    person     TEXT,
    role       TEXT,
    credited   TEXT,
    foreign key (episode_id) references Episode(episode_id),
    foreign key (person) references Person(name)
);
CREATE TABLE Keyword
(
    episode_id TEXT,
    keyword    TEXT,
    primary key (episode_id, keyword),
    foreign key (episode_id) references Episode(episode_id)
);
CREATE TABLE Vote
(
    episode_id TEXT,
    stars      INTEGER,
    votes      INTEGER,
    percent    REAL,
    foreign key (episode_id) references Episode(episode_id)
);
