CREATE TABLE table_24863 ("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 the production code of 1.11?
SELECT MAX("No. in series") FROM table_24863 WHERE "Production code" = '1.11'
SELECT MAX("No. in series") FROM "table_24863" WHERE "Production code" = '1.11'