The phrase "accommodate only about" is correct and usable in written English.
It can be used when discussing the capacity or ability to provide for a certain number or amount, often in a context where limitations are being highlighted.
Example: "The venue can accommodate only about 100 guests, so please RSVP as soon as possible."
Alternatives: "can host only approximately" or "is limited to about".
When the Neue Galerie opens it will have capacity to accommodate only about 350 visitors at a time, officials said.
Pools vary in size; older spent-fuel cooling pools are able to accommodate only about 10 years' worth of spent fuel.
There would not have been room for them all anyway -- the temporary location can accommodate only about a third of the normal work force.
Hong Kong's public university system can accommodate only about 18 percent of local high school graduates, and the number of available places has remained about the same for two decades.
Moreover, evening concerts were discontinued, and the venue was moved away from the Newport downtown area to the nearby Fort Adams State Park, which could accommodate only about 10,000 guests.
Officials said, however, that the partial service could accommodate only about one-quarter of the 15,000 passengers who regularly ride the North Jersey Coast Line each workday, leaving many searching for other ways to get home.
The front rafts would have accommodated only about two-thirds of the 155 people on board, so if help had not shown up promptly, the plane would have resembled the Titanic, with more passengers than lifeboat space.
Other dishes, including holdovers from the days when the eight-year-old restaurant accommodated only about 20 diners — it now seats 90 indoors, and 30 on the patio — included smoked Gouda macaroni and cheese, which we finished off quickly and with enthusiasm.
Yet the museum's garage can accommodate only 10 school buses; the rest will be left to drift about the surrounding streets, compounding the gridlock problem, or sit idling in layover lanes on Columbus Avenue and Central Park West, emitting dangerous diesel fumes.
Isolated by the mountains that surround it, Bingol has about 70,000 people, Mr. Beki said, although its crude concrete buildings look like they can accommodate only half that number.
Including standees, Philosophy Hall can accommodate only 180 or so.
