CREATE TABLE table_29042 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( millions ) " TEXT)

What was the original air date of the episode that was directed by Jessica Landaw?
SELECT "Original air date" FROM table_29042 WHERE "Directed by" = 'Jessica Landaw'
SELECT "Original air date" FROM "table_29042" WHERE "Directed by" = 'Jessica Landaw'