Which country had the game that Away team made the most goals?
the most goals refer to MAX(FTAG), which is a short name for Final-time Away-team Goals;
SELECT T2.country FROM matchs AS T1 INNER JOIN divisions AS T2 ON T1.Div = T2.division GROUP BY T2.country ORDER BY SUM(T1.FTAG) DESC LIMIT 1
CREATE TABLE divisions
(
    division TEXT not null
        primary key,
    name     TEXT,
    country  TEXT
);
CREATE TABLE matchs
(
    Div      TEXT,
    Date     DATE,
    HomeTeam TEXT,
    AwayTeam TEXT,
    FTHG     INTEGER,
    FTAG     INTEGER,
    FTR      TEXT,
    season   INTEGER,
    foreign key (Div) references divisions(division)
);
