Please answer the following question: What key details about david orr can be extracted from the following bio? Bio: david duvall orr -lrb- born october 4 , 1944 -rrb- is an american democratic politician from chicago , illinois . he was alderman of the 49th ward in chicago from 1979 to 1991 . in 1987 , he served briefly as mayor of chicago after the death of mayor harold washington . since 1991 , he has been county clerk of cook county . as county clerk , he is responsible for the third largest election district in the united states -lrb- among other duties -rrb- . orr is a graduate of simpson college in indianola , iowa .
Answer:
- residence is chicago , illinois , u.s.- birth name is david duvall orr- order is 52nd- successor is eugene sawyer- party is democratic- predecessor is harold washington- office is mayor of chicago- term end is december the sudden death of harold washington -rrb- 2 , 1987 -lrb- serving pro tem after- birth date is 04 october 1944- term start is november 25 , 1987- name is david orr- birth place is chicago , illinois , u.s.