How do i get only PID of postgres.exe from the first row of output

Question

I am using this command-

tasklist /FI "ImageName eq postgres.exe"

this is the output I am getting-

Image Name                     PID Session Name        Session#    Mem Usage
========================= ======== ================ =========== ============
postgres.exe                  2300 Services                   0     19,752 K
postgres.exe                  2932 Services                   0      6,324 K
postgres.exe                  2992 Services                   0      8,660 K
postgres.exe                  3000 Services                   0      8,256 K
postgres.exe                  3008 Services                   0     11,128 K
postgres.exe                  3016 Services                   0      8,120 K
postgres.exe                  3024 Services                   0      7,756 K
postgres.exe                  3032 Services                   0      7,732 K
postgres.exe                  1684 Services                   0     20,732 K

Answer 1

To answer the comment and question.

(Get-Process postgres)[0].ID

Get-Process get's all running processes with name postgres

[0] grabs the first row

.ID grabs the PID property