CREATE TABLE table_7244 ("Year" FLOAT, "Actor" TEXT, "Award" TEXT, "Series" TEXT, "Result" TEXT)

What is the average year that Idris Elba was nominated for or won an award?
SELECT AVG("Year") FROM table_7244 WHERE "Actor" = 'idris elba'
SELECT AVG("Year") FROM "table_7244" WHERE "Actor" = 'idris elba'