Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_55438 ( "Congress" text, "Short title" text, "Bill number(s)" text, "Date introduced" text, "Sponsor(s)" text, "# of cosponsors" real )

### Question ###
Who was the sponsor for the bill introduced February 28, 2005 with cosponsors less than 200?

### Accurate SQL ###

SELECT "Sponsor(s)" FROM table_55438 WHERE "# of cosponsors" < '200' AND "Date introduced" = 'february 28, 2005'