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 (rank INTEGER, nation VARCHAR, silver VARCHAR)
### Question:
what is the average rank when the nation is east germany and silver is more than 1?
### Answer:
SELECT AVG(rank) FROM table_name_27 WHERE nation = "east germany" AND silver > 1