For the patient who was diagnosed SLE on 1997/1/27, what was his/her original diagnose when he/she came to the hospital for the first time?
'SLE' AND original diagnose refers to diagnosis; 1997/1/27 refer to `Examination Date` = '1997-01-27'; first came to the hospital refers to patient.`First Date`
SELECT T1.Diagnosis FROM Patient AS T1 INNER JOIN Examination AS T2 ON T1.ID = T2.ID WHERE T1.ID = ( SELECT ID FROM Examination WHERE `Examination Date` = '1997-01-27' AND Diagnosis = 'SLE' ) AND T2.`Examination Date` = T1.`First Date`