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 (partial_failures INTEGER, launches VARCHAR, family VARCHAR, country VARCHAR, failures VARCHAR)
### Question:
What is the partial failure for the Country of russia, and a Failure larger than 0, and a Family of angara, and a Launch larger than 1?
### Answer:
SELECT AVG(partial_failures) FROM table_name_53 WHERE country = "russia" AND failures > 0 AND family = "angara" AND launches > 1