Problem counting from two databases based on various conditions

I have two databases one of supervisors and one of subordinates. I need to count the amount of times a supervisor and a subordinate have the same place, shift and Date.

What I have only considers if the conditions are true but doen't count them.

Table of Supervisors

SupDateShiftPlace

Table of subordinates

SubDateShiftPlace

The correct answer would be

What I have until now is:

Same = 
IF (
    CONTAINS (
        Sup,
        Sup[Date], MAX(Sub[Date]),
        Sup[Shift], MAX(Sub[Shift]),
        Sup[Place], MAX(Sub[Place])
    ),
    0,
    1
)

Please help