CREATE TABLE table_51773 ("Season" TEXT, "# of Stars" FLOAT, "# of Weeks" FLOAT, "Season Premiere Date" TEXT, "Season Finale Date" TEXT, "Winner" TEXT, "Runner-up" TEXT, "Third place" TEXT)

Who won when robert kudelski finished with under 13 weeks?
SELECT "Winner" FROM table_51773 WHERE "# of Weeks" < '13' AND "Third place" = 'robert kudelski'
SELECT "Winner" FROM "table_51773" WHERE "# of Weeks" < '13' AND "Third place" = 'robert kudelski'