Example: https://www.wikidata.org/wiki/Q1248738 (see below)
There the proposed fact is correct. However, the evidence is wrong. The correct evidence would be:
"Gitanas is a Mexican telenovela which aired in 2004."
However, the text of the evidence is not changeable. A better option would be to allow users to change the values.
See the following screenshot regarding the described problem:

DoD

Example: https://www.wikidata.org/wiki/Q1248738 (see below)
There the proposed fact is correct. However, the evidence is wrong. The correct evidence would be:
"Gitanas is a Mexican telenovela which aired in 2004."
However, the text of the evidence is not changeable. A better option would be to allow users to change the values.
See the following screenshot regarding the described problem:
DoD