What is the name of all the teams that played in the EFL League One division?
all the teams include both HomeTeam and AwayTeam; name = 'EFL League One'; DIV = 'E2';
SELECT T1.HomeTeam,T1.AwayTeam FROM matchs AS T1 INNER JOIN divisions AS T2 ON T1.Div=T2.division WHERE T2.name = 'EFL League One' and T1.Div = 'E2' 
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)
);
