CREATE TABLE table_6285 ("Rank" TEXT, "Institution" TEXT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT)

What is the average number of silvers for teams ranked 5 with 0 bronze?
SELECT AVG("Silver") FROM table_6285 WHERE "Rank" = '5' AND "Bronze" < '0'
SELECT AVG("Silver") FROM "table_6285" WHERE "Bronze" < '0' AND "Rank" = '5'