CREATE TABLE table_name_24 (sex_ratio__child_ INT, work_participation___percentage_ VARCHAR)

What is the child sex ration for the population with 37.7% work participation?
SELECT MAX(sex_ratio__child_) FROM table_name_24 WHERE work_participation___percentage_ = "37.7%"
SELECT MAX("sex_ratio__child_") FROM "table_name_24" WHERE "37.7%" = "work_participation___percentage_"