[Resolvido]Erro no SQL select onde?

public void buscaPergunta(int id) {
 Perguntas p1 = new Perguntas();
    try {

            String sql = "Select Perguntas from Questoes where idQuestoes =?";
            PreparedStatement stmt;

            stmt = conexao.prepareStatement(sql);
            stmt.setInt(1, id);

            ResultSet rs;
            rs = stmt.executeQuery(sql);
            while (rs.next()) {
                    p1.setPergunta(rs.getString("Perguntas"));
                    JOptionPane.showMessageDialog(null,p1.getPergunta());
            }

            stmt.close();
            rs.close();
          } catch (SQLException ex) {
           //ex.printStackTrace();
             JOptionPane.showMessageDialog(null,ex);
        }

}