CREATE TABLE table_25523 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT)

which is the number of the season episode whose writer is R. Scott Gemmill and the Director is Ray Austin?
SELECT "No. in season" FROM table_25523 WHERE "Written by" = 'R. Scott Gemmill' AND "Directed by" = 'Ray Austin'
SELECT "No. in season" FROM "table_25523" WHERE "Directed by" = 'Ray Austin' AND "Written by" = 'R. Scott Gemmill'