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_15290638_1 (group_c VARCHAR, group_d VARCHAR)
### Question:
Who is in group c when wisconsin is in group d?
### Answer:
SELECT group_c FROM table_15290638_1 WHERE group_d = "Wisconsin"