Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### 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"