CREATE TABLE table_203_341 (id DECIMAL, "season" TEXT, "champion" TEXT, "runner-up" TEXT, "score" TEXT, "third place" TEXT)

team that won before mazowszanka pekaes pruszk w
SELECT "champion" FROM table_203_341 WHERE "season" < (SELECT "season" FROM table_203_341 WHERE "champion" = 'mazowszanka pekaes pruszkow') ORDER BY "season" DESC LIMIT 1
SELECT "champion" FROM "table_203_341" WHERE "season" < (SELECT "season" FROM "table_203_341" WHERE "champion" = 'mazowszanka pekaes pruszkow') ORDER BY "season" DESC NULLS LAST LIMIT 1