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_53 (rank INTEGER, silver VARCHAR, total VARCHAR)
### Question:
What is the highest ranked nation with 15 silver medals and no more than 47 total?
### Answer:
SELECT MAX(rank) FROM table_name_53 WHERE silver = 15 AND total < 47