Query: How many IMAX screens was Spectre shown on in North America?
Context: The film ended up grossing $70.4 million in its opening weekend (about $20 million less than Skyfall's $90.6 million debut, including IMAX previews), but nevertheless finished first at the box office. IMAX generated $9.1 million for Spectre at 374 screens, premium large format made $8 million from 429 cinemas, reaping 11% of the film's opening, which means that Spectre earned $17.1 million (23%) of its opening weekend total in large-format venues. Cinemark XD generated $1.85 million in 112 XD locations.