how to echo query result in controller?

[eluser]phpProgrammerToBe[/eluser]
good day!

is it possible to echo the query result in controller? if possible how?

controller

Code:

$data['sql'] = $this->td_model->getMaxPoint();
//echo $data['sql']
//print_r($data);
//var_dump($data);

model

Code:

function getMaxPoint()
$sql=$this->db->select('max_Point')->where('code',$this->input->post('code'))->get('Stations');
return $sql;

thanks!