ห้าการวินิจฉัยที่พบบ่อยที่สุดในหมู่ผู้ป่วยในช่วงอายุ 30 ปีในปี 2105 คืออะไร? ไม่จำเป็นต้องใช้ตารางทั้งหมด
what were the five most common diagnoses among the patients in the 30s in 2105?It is not neccessary to use all the tables.
 patient:  uniquepid [ text]  patienthealthsystemstayid [ number]  patientunitstayid [ number]  gender [ text]  age [ text]  ethnicity [ text]  hospitalid [ number]  wardid [ number]  admissionheight [ number]  admissionweight [ number]  dischargeweight [ number]  hospitaladmittime [ time]  hospitaladmitsource [ text]  unitadmittime [ time]  unitdischargetime [ time]  hospitaldischargetime [ time]  hospitaldischargestatus [ text] 
SELECT t1.diagnosisname FROM (SELECT diagnosis.diagnosisname, DENSE_RANK() OVER (ORDER BY COUNT(*) DESC) AS c1 FROM diagnosis WHERE diagnosis.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.age BETWEEN 30 AND 39) AND STRFTIME('%y', diagnosis.diagnosistime) = '2105' GROUP BY diagnosis.diagnosisname) AS t1 WHERE t1.c1 <= 5