CREATE TABLE table_203_528 (id DECIMAL, "year" DECIMAL, "political rights" DECIMAL, "civil liberties" DECIMAL, "status" TEXT, "president" TEXT)

who is the next president listed after hamani diori in the year 1974 ?
SELECT "president" FROM table_203_528 WHERE id = (SELECT id FROM table_203_528 WHERE "year" = 1974) + 1
SELECT "president" FROM "table_203_528" WHERE "id" = (SELECT "id" FROM "table_203_528" WHERE "year" = 1974) + 1