Depends on the topic. We need a who, what, when, how question to answer. Your question requires a what added to it.
Yes, dubious is an adjective > (Of questionable character: dubious profits.)
present dubious tense
In Dubious Battle was created in 1936.
A Dubious Legacy was created in 1992.
"A Dubious Legacy" by Mary Wesley has approximately 352 pages.
John Steinbeck wrote In Dubious Battle.
In Dubious Battle has 270 pages.
He gave a dubious explanation for his absence from the meeting, raising suspicions among his colleagues.
The plan to separate the world into nations was quite dubious. Definition is here: http://www.merriam-webster.com/dictionary/dubious
A dubious disc is a hold item for Porygon2. If you trade a Porygon2 that's holding a dubious disc, it will evolve into Porygon-Z.
No, the dubious disc does not do anything to Rotom.The dubious disc is to be given to a Porygon 2 to hold, where if traded, it will evolve into a Porygon Z.
The lady was very dubious of the children's allegations.