CREATE TABLE table_46012 ("Year" FLOAT, "Best teenage/Young Adult" TEXT, "Reader's Vote" TEXT, "Best Non-Fiction" TEXT, "Lifetime Achievement" TEXT)

How many times was the reader's vote na and the lifetime achievement na?
SELECT COUNT("Year") FROM table_46012 WHERE "Reader's Vote" = 'na' AND "Lifetime Achievement" = 'na'
SELECT COUNT("Year") FROM "table_46012" WHERE "Lifetime Achievement" = 'na' AND "Reader's Vote" = 'na'