CREATE TABLE table_28549 ("Series #" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB)

Name the least series number written by brenda hampton and directed by burt brinckerhoff
SELECT MIN("Series #") FROM table_28549 WHERE "Written by" = 'Brenda Hampton' AND "Directed by" = 'Burt Brinckerhoff'
SELECT MIN("Series #") FROM "table_28549" WHERE "Directed by" = 'Burt Brinckerhoff' AND "Written by" = 'Brenda Hampton'