Question: How many cosponsors have a Date introduced of may 22, 2008?
SQL: SELECT COUNT("# of cosponsors") FROM "2-144896-1" WHERE "Date introduced" = 'may 22, 2008';

Question: Which Congress has a # of cosponsors of 19?
SQL: SELECT "Congress" FROM "2-144896-1" WHERE "# of cosponsors" = 19.0;