How long was Mr. Major D'Amore prescribed with Amoxicillin 250 MG / Clavulanate 125 MG [Augmentin]?
how long = SUBTRACT(julianday(medications.STOP, julianday(medications.START))); Amoxicillin 250 MG / Clavulanate 125 MG [Augmentin] refers to medications.DESCRIPTION = 'Amoxicillin 250 MG / Clavulanate 125 MG [Augmentin]';
SELECT strftime('%J', T2.STOP) - strftime('%J', T2.START) AS days FROM patients AS T1 INNER JOIN medications AS T2 ON T1.patient = T2.PATIENT WHERE T2.DESCRIPTION = ' Amoxicillin 250 MG / Clavulanate 125 MG [Augmentin]' AND T1.first = 'Major' AND T1.last = 'D''Amore'