private List<HashMap<String, String>> fillMaps;
private SimpleAdapter adapter;

list = (ListView) findViewById(android.R.id.list);

    // My data
    fillMaps = new ArrayList<HashMap<String, String>>();

    adapter = new SimpleAdapter(this, fillMaps, R.layout.questions_list,
            new String[] {"train", "to"},
            new int[] {R.id.TRAIN_CELL,  R.id.TO_CELL});

for ( int i = 0; i < obj.length(); i++ )
{
    HashMap<String, String> map = new HashMap<String, String>();

    question_id = o.getString("question_id");
    question = o.getString("question");
    question_by_member_id = o.getString("member_id");

    map.put("train", question);
    map.put("from", ">");

        fillMaps.add(map);
}