CREATE TABLE table_16598 ("No." FLOAT, "Episode" CLOB, "Air Date" CLOB, "Timeslot" CLOB, "Rating" CLOB, "Share" CLOB, "18\\u201349  ( Rating/Share ) " CLOB, "Viewers  ( m ) " CLOB, "Rank  ( # ) " CLOB)

What was the timeslot for the episode that aired on May 12, 2009?
SELECT "Timeslot" FROM table_16598 WHERE "Air Date" = 'May 12, 2009'
SELECT "Timeslot" FROM "table_16598" WHERE "Air Date" = 'May 12, 2009'