CREATE TABLE table_203_694 (id DECIMAL, "#" DECIMAL, "name" TEXT, "took office" TEXT, "left office" TEXT, "party" TEXT)

who was the only prime minister to be in office three times ?
SELECT "name" FROM table_203_694 GROUP BY "name" HAVING COUNT(*) >= 3
SELECT "name" FROM "table_203_694" GROUP BY "name" HAVING COUNT(*) >= 3