CREATE TABLE table_79952 ("Name" TEXT, "Circuit" TEXT, "Date" TEXT, "Winning driver" TEXT, "Winning constructor" TEXT, "Report" TEXT)

Which circuit did fran ois eysermann win ?
SELECT "Circuit" FROM table_79952 WHERE "Winning driver" = 'françois eysermann'
SELECT "Circuit" FROM "table_79952" WHERE "Winning driver" = 'françois eysermann'