Multiple Form Submit with Single Submit Button

I'm currently working with django project. I had to filter the data store on the database based on the user input on form (at template) as looked below.

On form user either enter value or leave it blank. So what I have to do is first find the (valid) user input and then fire appropriate query to display data as user input in the form. So final result should be displayed on table at template.

As I'm new to django, how should I have to pass the data and fire query to represent data at multiple field. As help or link related to these type problem are expected. ( I just able to filter from the database with only one form and had no concept to solve this.)

Model of my temp project is as below.

class exReporter(models.Model):      first_name = models.CharField(max_length=30)      last_name = models.CharField(max_length=30)      email = models.EmailField()      gender = models.CharField(max_length=1)      age = models.IntegerField()      label = models.IntegerField()

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