CREATE TABLE table_31245 ("Episode" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "UK viewers  ( million ) " CLOB, "Share  ( % ) " CLOB, "Original air date" CLOB)

Who is the director when the share is 11.8?
SELECT "Directed by" FROM table_31245 WHERE "Share (%)" = '11.8'
SELECT "Directed by" FROM "table_31245" WHERE "Share (%)" = '11.8'