CREATE TABLE table_204_639 (id DECIMAL, "poll company" TEXT, "source" TEXT, "publication date" TEXT, "psuv" DECIMAL, "opposition" DECIMAL, "undecided" DECIMAL)

what is the total number of polls published by the company gis xxi ?
SELECT COUNT(*) FROM table_204_639 WHERE "poll company" = 'gis xxi'
SELECT COUNT(*) FROM "table_204_639" WHERE "poll company" = 'gis xxi'