CREATE TABLE table_2945 ("No. in Series" FLOAT, "No. in Season" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" FLOAT, "U.S. viewers  ( millions ) " CLOB)

What is the production code directed by Matt Shakman?
SELECT "Production code" FROM table_2945 WHERE "Directed by" = 'Matt Shakman'
SELECT "Production code" FROM "table_2945" WHERE "Directed by" = 'Matt Shakman'