CREATE TABLE table_57154 ("Year" FLOAT, "Award ceremony" TEXT, "Category" TEXT, "Nominee" TEXT, "Result" TEXT)

What year was Aaron Tveit nominated in the Favorite Male Replacement category?
SELECT AVG("Year") FROM table_57154 WHERE "Result" = 'nominated' AND "Category" = 'favorite male replacement' AND "Nominee" = 'aaron tveit'
SELECT AVG("Year") FROM "table_57154" WHERE "Category" = 'favorite male replacement' AND "Nominee" = 'aaron tveit' AND "Result" = 'nominated'