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_24 (sex_ratio__child_ INTEGER, work_participation___percentage_ VARCHAR)
### Question:
What is the child sex ration for the population with 37.7% work participation?
### Answer:
SELECT MAX(sex_ratio__child_) FROM table_name_24 WHERE work_participation___percentage_ = "37.7%"