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_27 (nation VARCHAR, silver VARCHAR, rank VARCHAR)
### Question:
What nation has more than 0 silver medals and is ranked 1?
### Answer:
SELECT nation FROM table_name_27 WHERE silver > 0 AND rank = "1"