CREATE TABLE table_204_971 (id DECIMAL, "m" DECIMAL, "date" TEXT, "tournament" TEXT, "round" TEXT, "ground" TEXT, "opponent" TEXT, "score" TEXT, "attendance" DECIMAL, "dinamo scorers" TEXT, "report" TEXT)

which team did they play first during this season ?
SELECT "opponent" FROM table_204_971 WHERE "m" = 1
SELECT "opponent" FROM "table_204_971" WHERE "m" = 1