For case(s) where officer 'Evenden, George' is in charged, state the case number and the grand jury disposition?
officer 'Evenden, George' refers to full_name = 'Evenden, George'
SELECT T1.case_number, T1.grand_jury_disposition FROM incidents AS T1 INNER JOIN officers AS T2 ON T1.case_number = T2.case_number WHERE T2.first_name = 'George' AND T2.last_name = 'Evenden'