CREATE TABLE table_30440 ("Stadium" TEXT, "Capacity" FLOAT, "City" TEXT, "Country" TEXT, "Tenant" TEXT, "Opening" TEXT)

Name the number of tenants for russia at the saransk stadium
SELECT COUNT("Tenant") FROM table_30440 WHERE "Country" = 'Russia' AND "Stadium" = 'Saransk Stadium'
SELECT COUNT("Tenant") FROM "table_30440" WHERE "Country" = 'Russia' AND "Stadium" = 'Saransk Stadium'