CREATE TABLE table_28255 ("No." FLOAT, "#" FLOAT, "Title" CLOB, "Director" CLOB, "Writer ( s ) " CLOB, "Original air date" CLOB, "Prod. code" FLOAT, "U.S. viewers  ( million ) " CLOB)

Who wrote episode number 45?
SELECT "Writer(s)" FROM table_28255 WHERE "No." = '45'
SELECT "Writer(s)" FROM "table_28255" WHERE "No." = '45'