CREATE TABLE table_75157 ("Family" TEXT, "Country" TEXT, "Launches" FLOAT, "Successes" FLOAT, "Failures" FLOAT, "Partial failures" FLOAT)

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?
SELECT AVG("Partial failures") FROM table_75157 WHERE "Country" = 'russia' AND "Failures" > '0' AND "Family" = 'angara' AND "Launches" > '1'
SELECT AVG("Partial failures") FROM "table_75157" WHERE "Country" = 'russia' AND "Failures" > '0' AND "Family" = 'angara' AND "Launches" > '1'