CREATE TABLE table_72674 ("No. in series" CLOB, "No. in season" CLOB, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB, "U.S. viewers  ( millions ) " CLOB)

Name the number of original air date for when the number in season is 10/11
SELECT COUNT("Original air date") FROM table_72674 WHERE "No. in season" = '10/11'
SELECT COUNT("Original air date") FROM "table_72674" WHERE "No. in season" = '10/11'