Given the task definition, example input & output, solve the new input case.
In this task, you're given passages that contain mentions of the quantity of a particular object and are supposed to find out the answer for a given question. Craft one correct answer to the question given in input. Make sure your correct answer is consistent with the context, and properly gives the exact number relating to the query.
 In your answer, use as few words as possible from the given context. To be less repetitive, please vary your language for each question.
Example: Sentence: The New York metropolitan area is home to a self-identifying gay and bisexual community estimated at 568,903 individuals, the largest in the United States and one of the world's largest. Same-sex marriages in New York were legalized on June 24, 2011 and were authorized to take place beginning 30 days thereafter. 
Question: How many people identify as gay or bisexual in NYC?
Output: 568,903
There are total 568903 individuals who identify as gay or bisexual.

New input case for you: Sentence: In September 2015 it was announced that Sam Smith and regular collaborator Jimmy Napes had written the film's title theme, "Writing's on the Wall", with Smith performing it for the film. Smith said the song came together in one session and that he and Napes wrote it in under half an hour before recording a demo. Satisfied with the quality, the demo was used in the final release. 
Question: How many recording sessions did it take to complete the song?
Output:
one