CREATE TABLE table_24862 ("No. in series" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT)

How many number of series have a production code of 1.11?
SELECT "No. in series" FROM table_24862 WHERE "Production code" = '1.11'
SELECT "No. in series" FROM "table_24862" WHERE "Production code" = '1.11'