CREATE TABLE table_70474 ("Games" FLOAT, "First" FLOAT, "Last" FLOAT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT, "Best finish  ( first/last ) " TEXT)

What is the average medal total of the country who had 0 silver medals and participated in less than 15 games?
SELECT AVG("Total") FROM table_70474 WHERE "Games" < '15' AND "Silver" < '0'
SELECT AVG("Total") FROM "table_70474" WHERE "Games" < '15' AND "Silver" < '0'