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

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'