Format - Convert a weeknumber+weekday to a proper date format

Hi,
I have a query, that contains the field, weeknumber and weekday value, and year.

now i want to convert this values to proper/standard date format.

Example:
Weeknumber: 19
Weekday: 3 (Tuesday)
Year: 2015

Expected Result: May 5, 2015

Thanks in advance. :)

Format - Convert a weeknumber+weekday to a proper date format