CREATE TABLE table_204_814 (id DECIMAL, "date" TEXT, "opposition" TEXT, "result" TEXT, "score" TEXT, "brazil scorers" TEXT, "competition" TEXT)

did brazil score more goals against the soviet union or portugal in 1982 ?
SELECT "opposition" FROM table_204_814 WHERE "opposition" IN ('soviet union', 'portugal') ORDER BY "score" DESC LIMIT 1
SELECT "opposition" FROM "table_204_814" WHERE "opposition" IN ('soviet union', 'portugal') ORDER BY "score" DESC NULLS LAST LIMIT 1