How to display sqlite particular column in android activity?

In using select * from table name it display all the columns in a table of sqlite.In case of *(Astriek) i replace a some column names,I can't able to fetch a data's. It works on sqlite but not work in android coding part.Please rectify those things

     protected void adddata1() {
                    // TODO Auto-generated method stub
                    //tr1.removeAllViewsInLayout();


                    Database db=new Database(Boreport.this);
                    SQLiteDatabase sb=db.getReadableDatabase();

     Cursor cus=sb.rawQuery("select boatname from Auction",null);// The problem Line

                        cus.moveToFirst();

                         for(int i=0;i<cus.getCount();i++)
                             {

                             if(cus.getString(0).toString().equalsIgnoreCase(boatno.getText().toString()))
                             {

                    bn.setText(cus.getString(1));

                    amount.setText(cus.getString(2));

                             }
cus.moveToNext();
}