Welcome to the community @suparman_aguuus!
There are multiple ways to do that. Really depends on what you want to do with the data afterward and what else you have planned.
One way would be to move the data you have underneath data into different items and then filter via an IF-Node.
Another way would be to directly filter the data with the help of a Function-Node and leave it all in the first item underneath data.
Here the workflow for both: