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

what secretary of state served under both prime minister laurier and prime minister king ?
SELECT "secretary of state" FROM table_201_27 WHERE "prime minister" = 'laurier' INTERSECT SELECT "secretary of state" FROM table_201_27 WHERE "prime minister" = 'king'
SELECT "secretary of state" FROM "table_201_27" WHERE "prime minister" = 'laurier' INTERSECT SELECT "secretary of state" FROM "table_201_27" WHERE "prime minister" = 'king'