CREATE TABLE table_26029 ("#" FLOAT, "Airdate" TEXT, "Episode" TEXT, "Rating" TEXT, "Share" FLOAT, "Rating/Share  ( 18\\u201349 ) " TEXT, "Viewers  ( millions ) " TEXT, "Rank  ( Timeslot ) " FLOAT, "Rank  ( Night ) " FLOAT)

How many rankings (timeslot) were there for the episode that aired on May 2, 2010?
SELECT COUNT("Rank (Timeslot)") FROM table_26029 WHERE "Airdate" = 'May 2, 2010'
SELECT COUNT("Rank (Timeslot)") FROM "table_26029" WHERE "Airdate" = 'May 2, 2010'