CREATE TABLE table_57502 ("Rank" FLOAT, "Nation" TEXT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

How many bronze medals did west germany win when they had less than 2 silver medals?
SELECT SUM("Bronze") FROM table_57502 WHERE "Nation" = 'west germany' AND "Silver" < '2'
SELECT SUM("Bronze") FROM "table_57502" WHERE "Nation" = 'west germany' AND "Silver" < '2'