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)

how many tournaments were attended by the same number of people as uel on the 19th of august ?
SELECT COUNT("tournament") FROM table_204_971 WHERE "date" <> '19 aug' AND "attendance" = (SELECT "attendance" FROM table_204_971 WHERE "date" = '19 aug')
SELECT COUNT("tournament") FROM "table_204_971" WHERE "attendance" = (SELECT "attendance" FROM "table_204_971" WHERE "date" = '19 aug') AND "date" <> '19 aug'