CREATE TABLE table_35161 ("Congress" CLOB, "Bill number ( s ) " CLOB, "Date introduced" CLOB, "Sponsor ( s ) " CLOB, "# of cosponsors" FLOAT, "Latest status" CLOB)

Who sponsored the bill introduced on June 9, 2011?
SELECT "Sponsor(s)" FROM table_35161 WHERE "Date introduced" = 'june 9, 2011'
SELECT "Sponsor(s)" FROM "table_35161" WHERE "Date introduced" = 'june 9, 2011'