CREATE TABLE table_2283 ("Series #" FLOAT, "Season #" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "U.S. viewers  ( in millions ) " CLOB)

Who directed the episode that aired on july15,2012?
SELECT "Directed by" FROM table_2283 WHERE "Original air date" = 'July15,2012'
SELECT "Directed by" FROM "table_2283" WHERE "Original air date" = 'July15,2012'