public ResultSet returnOwnerOfMarker(int markerID, String hostName){
		
		try {
			cs = con.prepareCall("{call returnMarkerOwner(?,?)}");
			cs.setInt(1, markerID);
			cs.setString(2, hostName);
			ResultSet rs = cs.executeQuery();

			if(rs.next()){
				System.out.println("owner of marker: " +  rs.getString("userName"));
				return rs;
			}
			

		} catch (SQLException e) {
			e.printStackTrace();
		}
		
		return rs;			
	}