CREATE TABLE table_66172 ("Year" FLOAT, "Award" CLOB, "Nominee" CLOB, "Episode" CLOB, "Result" CLOB)

What year has a Nominee of , and a Result of nominated?
SELECT AVG("Year") FROM table_66172 WHERE "Nominee" = '—' AND "Result" = 'nominated'
SELECT AVG("Year") FROM "table_66172" WHERE "Nominee" = '—' AND "Result" = 'nominated'