CREATE TABLE table_16971 ("Series #" FLOAT, "Season #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT)

What was the season number for the episode with the series number 61?
SELECT MAX("Season #") FROM table_16971 WHERE "Series #" = '61'
SELECT MAX("Season #") FROM "table_16971" WHERE "Series #" = '61'