Get a single record from SQLite Android

I have and EditText and I write on it the record which i want to appear jn TextView after clicking on the Button

So I need Retrieve a Row record from My DB and in specific Column and wat I want to retrieve is String Type **This is My Query but it doest work with me **

 public String getCountryCode(String cc) {

 Cursor cursor = null;
 String Code = "";
 try{
     String selectQuery = "SELECT  * FROM " + SQLITE_TABLE + " WHERE "
            + KEY_CODE + " = " + cc;
     cursor = mDb.rawQuery(selectQuery, null);


     if(cursor.getCount() > 0) {

         cursor.moveToFirst();
         Code = cursor.getString(cursor.getColumnIndex("KEY_CODE"));
     }

     return Code;
 }finally {

     cursor.close();
 }
 }

main activity

b.setOnClickListener(new OnClickListener() {

public void onClick(View arg0) {
// TODO Auto-generated method stub
    try{
String in   =codeinput.getText().toString();
String c    = dbHelper.getCountryCode(in);
CountryShow.setText(c);
}
catch(Exception e ){
    Toast.makeText(listViewDisplay.this, e.getMessage(),      Toast.LENGTH_LONG).show();
}


}
});