In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.
--------
Question: when was the last time real madrid won la liga title

Answer: 2017


Question: what is the old name for south africa

Answer: Union of South Africa


Question: what part did johnny galecki play in christmas vacation

Answer:
Rusty Griswold