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_19744915_4 (karen VARCHAR, nicky VARCHAR)
### Question:
Name the karen when nicky is 2.5
### Answer:
SELECT karen FROM table_19744915_4 WHERE nicky = "2.5"