CREATE TABLE "legislative_activity" (
  "congress" text,
  "bill_number_s" text,
  "date_introduced" text,
  "sponsor_s" text,
  "num_of_cosponsors" real
);

Question: How many cosponsors have a Date introduced of may 22, 2008?
SQL: SELECT COUNT("num_of_cosponsors") FROM "legislative_activity" WHERE "date_introduced"='may 22, 2008';

Question: Which Congress has a # of cosponsors of 19?
SQL: SELECT "congress" FROM "legislative_activity" WHERE "num_of_cosponsors"=19;