CREATE TABLE table_name_18 (sponsor_s_ VARCHAR2, _number_of_cosponsors VARCHAR2, date_introduced VARCHAR2)

Who was the sponsor for the bill introduced February 28, 2005 with cosponsors less than 200?
SELECT sponsor_s_ FROM table_name_18 WHERE _number_of_cosponsors < 200 AND date_introduced = "february 28, 2005"
SELECT "sponsor_s_" FROM "table_name_18" WHERE "_number_of_cosponsors" < 200 AND "date_introduced" = "february 28, 2005"