CREATE TABLE table_29567 ("No. in series" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. Viewers  ( millions ) " TEXT)

Name who wrote the episode by lawrence trilling
SELECT "Written by" FROM table_29567 WHERE "Directed by" = 'Lawrence Trilling'
SELECT "Written by" FROM "table_29567" WHERE "Directed by" = 'Lawrence Trilling'