CREATE TABLE table_366 ("Date of Issue" TEXT, "Theme" TEXT, "Denomination" TEXT, "Design" TEXT, "Illustration" TEXT, "Printing Process" TEXT, "Paper Type" TEXT, "First Day Cover Cancellation" TEXT)

List all the themes designed by Isabelle Toussaint.
SELECT "Theme" FROM table_366 WHERE "Design" = 'Isabelle Toussaint'
SELECT "Theme" FROM "table_366" WHERE "Design" = 'Isabelle Toussaint'