CREATE TABLE table_30487 ("No." FLOAT, "#" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( million ) " TEXT)

Name the least number for xle02007
SELECT MIN("No.") FROM table_30487 WHERE "Production code" = 'XLE02007'
SELECT MIN("No.") FROM "table_30487" WHERE "Production code" = 'XLE02007'