When did Mrs. Joye Homenick receive her most recent influenza seasonal vaccine?
when a patient received her most recent vaccine refers to MAX(immunications.DATE); influenza seasonal vaccine refers to immunizations.DESCRIPTION = 'Influenza seasonal injectable preservative free';
SELECT T2.DATE FROM patients AS T1 INNER JOIN immunizations AS T2 ON T1.patient = T2.PATIENT WHERE T2.DESCRIPTION = 'Influenza  seasonal  injectable  preservative free' AND T1.first = 'Joye' AND T1.last = 'Homenick' ORDER BY T2.DATE DESC LIMIT 1