CREATE TABLE table_27504 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB)

What title did Bill Foster direct ?
SELECT "Title" FROM table_27504 WHERE "Directed by" = 'Bill Foster'
SELECT "Title" FROM "table_27504" WHERE "Directed by" = 'Bill Foster'