Definition: Given the Question and Answer pair, detect whether the answer is acceptable or not. Denote acceptable answer as "yes", otherwise denote as "no". An acceptable answer is consistent with the context in question, detailed, long, and uses general knowledge of English. Answers that are not definite and suggest a variety of options are not acceptable answers.
Input: Question: Possible Duplicates: How to phrase an asking sentence that must be answered with an ordinal number? Framing a question whose answer is an ordinal number Given that I want to know Barack Obama is the 44th President of U.S.A, how can I frame a question like: The how manyeth president is Barack Obama? 
Answer: I'd go with the following structure: Q: Where does Obama fall in the sequence of US presidents? A: [He's the] 44th [president]. This reflects similar usage when discussing, for instance, rankings: Q: Where did Harvard fall on the U.S. News & World Report list this year? A: 2nd.

yes