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_21 (silver INTEGER, total VARCHAR, gold VARCHAR, rank VARCHAR)
### Question:
How many Silver medals did the Nation ranking 8 with more than 1 Total medal but less than 1 Gold receive?
### Answer:
SELECT SUM(silver) FROM table_name_21 WHERE gold < 1 AND rank = "8" AND total > 1