CREATE TABLE table_2878 ("#" FLOAT, "Title" CLOB, "Director" CLOB, "Writer ( s ) " CLOB, "Original air date" CLOB, "Production Code" CLOB, "U.S. viewers  ( millions ) " CLOB)

Who directed the episode written by Jason Yoshimura?
SELECT "Director" FROM table_2878 WHERE "Writer(s)" = 'Jason Yoshimura'
SELECT "Director" FROM "table_2878" WHERE "Writer(s)" = 'Jason Yoshimura'