I would either use an action of the type "Replace" and replace the quote marks with nothing.
Or select all files with that title and type it in in the tag panel and then save the modification.
@docBrian
I think you forgot to put your expression in "accent grave" or mark it as preformatted test, so that the blackslash does not appear in the forum sight? %album% MATCHES \"
Expressions that work are mentioned by dano in the link I quoted above.