CREATE TABLE table_16601 ("No." FLOAT, "Episode" CLOB, "Air Date" CLOB, "Timeslot" CLOB, "Rating" CLOB, "Share" CLOB, "18\\u201349  ( Rating/Share ) " CLOB, "Viewers  ( m ) " CLOB, "Rank  ( # ) " CLOB)

What's the rating of the episode originally aired on May 5, 2009?
SELECT "Rating" FROM table_16601 WHERE "Air Date" = 'May 5, 2009'
SELECT "Rating" FROM "table_16601" WHERE "Air Date" = 'May 5, 2009'