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_32 (hanyu_pinyin VARCHAR, density___km²_ VARCHAR)
### Question:
What is the Hanyu Pinyin with a density of 39.63?
### Answer:
SELECT hanyu_pinyin FROM table_name_32 WHERE density___km²_ = "39.63"