CREATE TABLE table_217785_2 (ranking INT, viewers__in_millions_of_households_ VARCHAR)

What's the lowest rating with 11.2 million viewers?
SELECT MIN(ranking) FROM table_217785_2 WHERE viewers__in_millions_of_households_ = "11.2"
SELECT MIN("ranking") FROM "table_217785_2" WHERE "11.2" = "viewers__in_millions_of_households_"