CREATE TABLE table_16562 ("#" FLOAT, "Episode" TEXT, "Air Date" TEXT, "Time slot  ( EST ) " TEXT, "Rating" TEXT, "Share" FLOAT, "18-49  ( Rating/Share ) " TEXT, "Viewers  ( m ) " TEXT, "Rank  ( Overall ) " TEXT)

Which air date had an 11 share
SELECT "Air Date" FROM table_16562 WHERE "Share" = '11'
SELECT "Air Date" FROM "table_16562" WHERE "Share" = '11'