SELECT Dyspnoea.d, SUM(Dyspnoea.p*Either.p*Tuberculosis.p*Asia.p*p*Smoking.p*Bronchitis.p)
    --SELECT Dyspnoea.d, SUM(((Dyspnoea.p*Either.p*Tuberculosis.p*Asia.p)+(Dyspnoea.p*Either.p*LungCancer.p*Smoking.p)) + (Dyspnoea.p*Bronchitis.b*Smoking.p))
    SELECT Dyspnoea.d, SUM(Dyspnoea.p*Either.p*Tuberculosis.p*Asia.p*p*Smoking.p*Bronchitis.p)
    FROM Dyspnoea
    INNER JOIN Either ON Dyspnoea.e = Either.e
    INNER JOIN Tuberculosis ON Either.t = Tuberculosis.t
    INNER JOIN Asia ON Tuberculosis.a = Asia.a
    INNER JOIN LungCancer ON Either.l = LungCancer.l
    INNER JOIN Bronchitis ON Dyspnoea.b = Bronchitis.b
    INNER JOIN Smoking ON LungCancer.s = Smoking.s AND Bronchitis.s = Smoking.s
    WHERE Asia.a = 1 AND Smoking.s = 0
    GROUP BY Dyspnoea.d