CREATE TABLE table_68118 ("Margin" FLOAT, "Score" CLOB, "Opponent" CLOB, "Venue" CLOB, "Year" FLOAT)

Name the average year for brookvale oval and margin more than 46
SELECT AVG("Year") FROM table_68118 WHERE "Venue" = 'brookvale oval' AND "Margin" > '46'
SELECT AVG("Year") FROM "table_68118" WHERE "Margin" > '46' AND "Venue" = 'brookvale oval'