CREATE OR REPLACE procedure MY.my_temp
is
begin
  for r_list in (
    select first, last, data, city, socnum, count(*) from person
    where 1=1
    and socnum= '112233445566'
    group by first, last, data, city, socnum having count(*) > 1
--select '' first, '' last, '' data, '' city, '' socnum from dual
    loop
		dbms_output.put_line('test: ' || r_list.socnum);
    end loop;
end;

 "select '' first, '' last, '' data, '' city, '' socnum from dual"

SQL>
SQL> set serveroutput on
SQL> Begin
  2  for i in ( select 'some_value' as val from dual )
  3  LOOP
  4  dbms_output.put_line('value is: '|| i.val ) ;
  5  END LOOP;
  6  end;
  7  /
value is: some_value

PL/SQL procedure successfully completed.

SQL>