Conversation so far:
Is Nineteen 90 a single or album?
In 1990, Regine Velasquez signed a contract with Vicor Music and released her second studio album, Nineteen 90.
And what is Reason Enough by Regine Velasquez?
Reason Enough was the newly-formed label's maiden release in July 1993.

Question: Were either of these a commercial success?
Self-contained rewrite: Were either of of Regine Velasquez's albums, Nineteen 90 or Reason Enough, a commercial success?