instruction: provide the number of patients whose diagnoses short title is adv eff antifung antbiot and drug type is base?
response: SELECT COUNT(DISTINCT demographic.subject_id) FROM demographic INNER JOIN diagnoses ON demographic.hadm_id = diagnoses.hadm_id INNER JOIN prescriptions ON demographic.hadm_id = prescriptions.hadm_id WHERE diagnoses.short_title = "Adv eff antifung antbiot" AND prescriptions.drug_type = "BASE"