CREATE TABLE table_203_633 (id DECIMAL, "title" TEXT, "year" DECIMAL, "platform" TEXT, "developer" TEXT, "publisher" TEXT)

what was the number of games available on playstation portable ?
SELECT COUNT("title") FROM table_203_633 WHERE "platform" = 'playstation portable'
SELECT COUNT("title") FROM "table_203_633" WHERE "platform" = 'playstation portable'