How to add two variables into one conditional
It looks like according to your code this (and Aran's) solution should work except for one small difference... if you are testing for this:

entry.title ~ category.title


The value parameter (what is getting stored in the database) should match by removing the space, so from this:

{{ entry.title }} {{ category.entryAlternativeTitle }}


To this:

{{ entry.title }}{{ category.entryAlternativeTitle }}


Or you could also test for the space if you want:

{% if requestTeam.value == entry.title ~ ' ' ~ category.title %}




Update: Also want to note that you may need to test for the "entryAlternativeTitle" variable. Can't know for sure without seeing all of your code but if this is all being executed in the same chunk it should most likely be:

{% if requestTeam.value == entry.title ~ ' ' ~ category.entryAlternativeTitle %}