The phrase "attention that only" is correct and usable in written English.
It can be used when specifying a type of attention that is exclusive or limited to a particular subject or context.
Example: "The project requires attention that only a skilled professional can provide."
Alternatives: "focus that solely" or "care that exclusively".
She also brought to our attention that only 8% of low-income elderly patients had smartphones.
Now it has come to my attention that only graduate alumni who pay dues receive all 14 issues of PAW.
And his favorites -- game and wild mushrooms -- require a level of care and attention that only a perfectionist could tolerate.
Until we are prepared to provide our neediest students with the personal attention that only smaller classes can provide, it would be unfair to rate their teachers based upon the results.
It needs that front-facing attention that only Daredevil can bring.
There are so many things screaming for users' attention that only the things that they whisper to themselves about have a chance of sticking around for a while.
Her patients are often too large or too fragile to move, or they require the kind of attention that comes only with home care.
He delights in being recognized, a form of attention that has only increased since 1996, when he moved back to Chicago's North Shore from Brentwood to be near his aging parents.
In the days before smartphones attracted the sort of media attention that previously only attached itself to film premieres and Hollywood stars, the annual Mobile World Congress trade show in Barcelona used to be the place to launch a new phone.
While the superficial aspects of strength training garner all the attention, that's only scratching the surface of the transformative power that lifting weights provides for men.
But to the extent such statutes create a barrier, it could be chalked up as a cost of "doing business" -- necessary to win the public attention that comes only from participating in intra-major party debates.
