CREATE TABLE table_22065 ("Story No." CLOB, "Episode" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "UK viewers  ( million ) " CLOB, "AI  ( % ) " FLOAT, "Original air date" CLOB, "Production code" CLOB)

Name the total number directed by for uk viewers being 6.86
SELECT COUNT("Directed by") FROM table_22065 WHERE "UK viewers (million)" = '6.86'
SELECT COUNT("Directed by") FROM "table_22065" WHERE "UK viewers (million)" = '6.86'