CREATE TABLE table_204_872 (id DECIMAL, "name" TEXT, "completed" TEXT, "architect" TEXT, "location" TEXT, "year of listing & ref ( s ) " DECIMAL)

how many buildings had alfred waterhouse as their architect ?
SELECT COUNT("name") FROM table_204_872 WHERE "architect" = 'alfred waterhouse'
SELECT COUNT("name") FROM "table_204_872" WHERE "architect" = 'alfred waterhouse'