CREATE TABLE table_201_27 (id DECIMAL, "#" DECIMAL, "secretary of state" TEXT, "prime minister" TEXT, "tenure" TEXT)

how many secretary of states were under prime minister macdonald ?
SELECT COUNT("secretary of state") FROM table_201_27 WHERE "prime minister" = 'macdonald'
SELECT COUNT("secretary of state") FROM "table_201_27" WHERE "prime minister" = 'macdonald'