Checking as check box if 2 criteria are met

edited 12/09/19 in Smartsheet Basics

I am trying to check a checkbox if the name and date on another sheet are on the sheet. Here is the code I have which is obviously not working.

=IF({2019 IA Tracker Range 2}, 5 / 23 / 19, {2019 IA Tracker Range 1}, [Vendor Contact]5, 1)

Where range 2 is the date and range 1 is the name.

Any help is appreciated.