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_23837321_4 (brooklyn VARCHAR, manhattan VARCHAR)
### Question:
what percentage is brooklyn when manhattan is 15.5%?
### Answer:
SELECT brooklyn FROM table_23837321_4 WHERE manhattan = "15.5_percentage"