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_71 (silver INTEGER, rank VARCHAR, gold VARCHAR)
### Question:
Which Silver is the highest one that has a Rank of 19, and a Gold larger than 0?
### Answer:
SELECT MAX(silver) FROM table_name_71 WHERE rank = "19" AND gold > 0