CREATE TABLE table_56607 ("Congress" TEXT, "Bill number" TEXT, "Date introduced" TEXT, "Sponsor" TEXT, "# of cosponsors" FLOAT)

What number of Congress has 44 cosponsors?
SELECT "Congress" FROM table_56607 WHERE "# of cosponsors" = '44'
SELECT "Congress" FROM "table_56607" WHERE "# of cosponsors" = '44'