return new Select()
            .from(Score.class)
            .where("valid = ?", 1)
            .execute();

return new Select()
            .from(Score.class)
            .where("valid = ?", true)
            .execute();

public class Score extends Model
{
    @Column(name = "dateTime")
    public Date dateTime;

    @Column(name = "batteryLevel")
    public double batteryLevel;

    @Column(name = "value")
    public int value;

    @Column(name = "valid")
    public boolean valid;
}