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\*.

who plays merlin in transformers the last night
Stanley Tucci

who stars in the movie i can only imagine
Trace Adkins

in fracture mechanics the symbol k stands for

the stress intensity factor