CREATE TABLE table_29911 ("No in series" FLOAT, "No in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT)

How many people directed 'the one with rachel's dream'?
SELECT COUNT("Directed by") FROM table_29911 WHERE "Title" = 'The One with Rachel''s Dream'
SELECT COUNT("Directed by") FROM "table_29911" WHERE "Title" = 'The One with Rachel\'s Dream'