Question: What is the average year that Idris Elba was nominated for or won an award?
SQL: SELECT AVG("Year") FROM "2-16045118-21" WHERE "Actor" = 'Idris Elba';

Question: What actor was nominated for or won an award before 1971?
SQL: SELECT "Actor" FROM "2-16045118-21" WHERE "Year" < 1971.0;