Detailed Instructions: This task involves creating answers to complex questions, from a given passage. Answering these questions, typically involve understanding multiple sentences. Make sure that your answer has the same type as the "answer type" mentioned in input. The provided "answer type" can be of any of the following types: "span", "date", "number". A "span" answer is a continuous phrase taken directly from the passage or question. You can directly copy-paste the text from the passage or the question for span type answers. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words. A "number" type answer can include a digit specifying an actual value. For "date" type answers, use DD MM YYYY format e.g. 11 Jan 1992. If full date is not available in the passage you can write partial date such as 1992 or Jan 1992. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words.
Problem:Passage: Medfield Public Schools consistently ranks among the top ten school systems in Massachusetts by the Massachusetts Comprehensive Assessment System . As recently as 2017, Medfield was ranked by the U.S. News & World Report as the number 5 ranked school system in Massachusetts. As of 2013, Medfield High School Seniors scored an average of 591 on the SAT Critical Reading Section, 618 on the SAT Math Section, and 598 on the SAT Writing Section. In 2005, Medfield High School and T.A. Blake Middle School switched buildings as a result of a massive construction project updating the current Medfield High School . Public schools:.
Question: How many more points on average did Medfield High School Seniors score on the SAT Math Section compared to the SAT Writing Section in 2013?
Answer type: Number
Solution:
20.