CREATE TABLE table_63027 ("Rank" FLOAT, "Nation" TEXT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

What is the average silver that has a gold greater than 3, with soviet union (urs) as the nation, and a bronze greater than 26?
SELECT AVG("Silver") FROM table_63027 WHERE "Gold" > '3' AND "Nation" = 'soviet union (urs)' AND "Bronze" > '26'
SELECT AVG("Silver") FROM "table_63027" WHERE "Bronze" > '26' AND "Gold" > '3' AND "Nation" = 'soviet union (urs)'