Erro ao inserir dado no banco [RESOLVER]

CREATE TABLE  `monitoria`.`pessoas` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `nome` varchar(40) NOT NULL,
  `endereco` varchar(40) NOT NULL,
  `cpf` varchar(12) NOT NULL,
  `telefone` varchar(12) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=2 DEFAULT CHARSET=latin1

public void addPessoa(Pessoa p){
		
		String sql = "INSERT INTO pessoas(nome, endereco, cpf, telefone) VALUES (????)";
		
		try{
			Connection conn = ConnectionDB.getConnection();
			PreparedStatement pstm = conn.prepareStatement(sql);
			
			pstm.setString(1, p.getNome());
			pstm.setString(2, p.getEndereco());
			pstm.setString(3, p.getCpf());
			pstm.setString(4, p.getTelefone());
			
			System.out.println("execute AddPessoa");
			pstm.execute();
			
			
		}catch(Exception e){
			e.printStackTrace();
		}
	}

java.sql.SQLException: Column count doesn't match value count at row 1
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1055)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3491)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3423)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1936)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2542)
	at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1734)
	at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:995)