This task involves annotating the answer type to a given question that involve some kind of complex reasoning (including numerical reasoning). Note that the questions require looking at more than one part of the passage to answer. There are 3 possible answer types (i) spans, (ii) numbers and (iii) dates. If the answer can be found in the passage, label it as "span". If the answer is a number, label as "number". Similarly, label "date" if you think the answer to the given question is a date.

Ex Input:
Passage: He represented the Liberal party at the Norwegian Parliament (Storting) 1886-1888 and again in 1892-1898. He was Minister of Labour (18981899, 19001902, 19021903), a member of the Council of State Division in Stockholm (18991900), Minister of Foreign Affairs (1905 and 19051907), Prime Minister and Minister of Foreign Affairs (19071908), and Minister of Education and Church Affairs (19151920). In 1905 became the prime minister in Stockholm. He was chair of the Norwegian government of Christian Michelsen. In October 1907, Lvland took over as Norwegian Prime Minister when Michelsen resigned. Lvland resigned the position in March 1908.
Question: How many titles did he hold that lasted for more than a couple of years?

Ex Output:
number

Ex Input:
Passage: The site of the battle is located near U.S. Highway 56, about three miles east of Baldwin City, and is partially within Robert Hall Pearson Memorial Park, designated by the state of Kansas in honor of one of Brown and Shore's fighters who gave a handwritten account of the battle. Signs placed throughout the battle site point out where the battle began and ended. Efforts are underway to preserve both the Pearson Memorial Park and the Ivan Boyd Prairie Preserve across the road. In 1970, to commemorate the 100th anniversary of the founding of Baldwin City, Baker University professor and playwright Don Mueller and Phyllis E. Braun, Business Manager, produced a musical play entitled The Ballad Of Black Jack to tell the story of the events that led up to the battle. The Ballad Of Black Jack played as part of the city's Maple Leaf Festival from 1970-83 and again from 2001-05. It also played in nearby Lawrence in 1986 and in 2006 and 2007 as a part of Lawrence's Civil War On The Western Frontier program. In 2012 the National Park Service designated the battlefield a National Historic Landmark.
Question: When was the last time the Ballad of Black Jack was played as part of the city's Maple Leaf Festival?

Ex Output:
date

Ex Input:
Passage: Emory University is ranked 13th in Immunology, 22nd in Microbiology, 28th in Psychiatry, 29th in Social Sciences and Public Health, 32nd in Clinical Medicine, 37th in Neuroscience and Behavior, 45th in Pharmacology and Toxicology, 50th in Biochemistry, and 67th in Molecular Biology and Genetics in the world by U.S. News and World Report Emory University is ranked 6th among national universities in the United States in Social Psychology, 11th in Behavioral Neuroscience, 18th in Clinical Psychology, 25th in Political Science, 26th in English, 27th in History, 30th Biological Sciences, 35th in Chemistry, 35th in Sociology, 38th in Psychology, 38th in Statistics, 64th in Economics, 65th in Mathematics, 85th in Physics by U.S. News & World Report. The Emory University School of Law is ranked 19th among Law Schools in the U.S. by U.S. News & World Report. The Princeton Review named the Emory University School of Law as one of the best 169 law schools in the U.S. in 2014. Emory Universitys Goizueta Business School is ranked 19th among Business Schools in the United States by U.S. News & World Report. Bloomberg Businessweek ranked Goizueta Business Schools BBA Program 9th in the nation in 2014. The Economist ranked Goizueta Business Schools MBA program 13th in the nation in 2014.
Question: Which subject is Emory University ranked higher in, neuroscience and behavior or pharmacology and toxicology?

Ex Output:
span