instruction: count the number of patients whose age is less than 62 and drug name is clobetasol propionate 0.05% ointment?
response: SELECT COUNT(DISTINCT demographic.subject_id) FROM demographic INNER JOIN prescriptions ON demographic.hadm_id = prescriptions.hadm_id WHERE demographic.age < "62" AND prescriptions.drug = "Clobetasol Propionate 0.05% Ointment"