When did Wing Hung Chop Suey Restaurant have its first inspection?
Wing Hung Chop Suey Restaurant refers to aka_name = 'WING HUNG CHOP SUEY RESTAURANT'; first inspection refers to min(inspection_date)
SELECT MIN(T2.inspection_date) FROM establishment AS T1 INNER JOIN inspection AS T2 ON T1.license_no = T2.license_no WHERE T1.aka_name = 'WING HUNG CHOP SUEY RESTAURANT'