CREATE TABLE table_30379 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT)

What is the series number for the episode directed by jay sandrich that aired October 23, 1986?
SELECT MIN("No. in series") FROM table_30379 WHERE "Directed by" = 'Jay Sandrich' AND "Original air date" = 'October 23, 1986'
SELECT MIN("No. in series") FROM "table_30379" WHERE "Directed by" = 'Jay Sandrich' AND "Original air date" = 'October 23, 1986'