What is the group C region with Illinois as group B?
CREATE TABLE table_name_53 (group_c VARCHAR, group_b VARCHAR)
SELECT group_c FROM table_name_53 WHERE group_b = "illinois"
### Context: CREATE TABLE table_name_53 (group_c VARCHAR, group_b VARCHAR) ### Question: What is the group C region with Illinois as group B? ### Answer: SELECT group_c FROM table_name_53 WHERE group_b = "illinois"