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

swat 4 was released in 2005 ... which game in the series preceded it ?
SELECT "title" FROM table_203_633 WHERE "year" < (SELECT "year" FROM table_203_633 WHERE "title" = 'swat 4') ORDER BY "year" DESC LIMIT 1
SELECT "title" FROM "table_203_633" WHERE "year" < (SELECT "year" FROM "table_203_633" WHERE "title" = 'swat 4') ORDER BY "year" DESC NULLS LAST LIMIT 1