Give the procedure description of Ms. Jacquelyn Shanahan on 2009/8/9.
on 2009/8/9 refers to DATE = '2009-08-09';
SELECT DISTINCT T2.description FROM patients AS T1 INNER JOIN procedures AS T2 ON T1.patient = T2.PATIENT WHERE T1.prefix = 'Ms.' AND T1.first = 'Jacquelyn' AND T1.last = 'Shanahan' AND T2.DATE = '2009-08-09'