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.
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Question: Passage: Government efforts to lower subsidies to unprofitable enterprises and to shrink the money supply caused the semi-official exchange rate for the Cuban peso to move from a peak of 120 to the dollar in the summer of 1994 to 21 to the dollar by year-end 1999. The drop in GDP apparently halted in 1994, when Cuba reported 0.7% growth, followed by increases of 2.5% in 1995 and 7.8% in 1996. Growth slowed again in 1997 and 1998 to 2.5% and 1.2% respectively. One of the key reasons given was the failure to notice that sugar production had become uneconomic. Reflecting on the Special period Cuban president Fidel Castro later admitted that many mistakes had been made, "The country had many economists and it is not my intention to criticize them, but I would like to ask why we hadn't discovered earlier that maintaining our levels of sugar production would be impossible. The Soviet Union had collapsed, oil was costing $40 a barrel, sugar prices were at basement levels, so why did we not rationalize the industry?" Living conditions in 1999 remained well below the 1989 level.
Question: Where year was the Cuban peso exchange rate higher, 1994 or 1999?

Answer: date

Question: Passage: In 1918, brothers Jeronimo, Rosa, Gerardo and Jaime Fonalledas acquired of land previously known as "Las Monjas". This land was property of Don Pablo Ubarri Capetillo, the Count of Santurce. By 1920, little by little cane harvesting was eliminated with the intention of using the land for the creation of a milk company, eventually known as "Vaqueria Tres Monjitas". In 1950, the metropolitan area of San Juan was growing rapidly. The planning board began to build the project and ordered the development of the lands. It is then that the Fonalledas brothers came up with the idea of establishing a regional shopping center in the "Las Monjas" property. The planning board included a space of 15 acres of land for a shopping center in its development plan. In 1962, the plans for the construction of a shopping center and the negotiations with tenants began. In April 1967, construction of Plaza Las Americas began under the direction of engineer Peter Jacobson. On September 3, 1968, Plaza Las Americas held its grand opening. It was the first enclosed shopping center in Puerto Rico and the largest in Latin America at the time. The project was inaugurated with a total of 79 establishments, a twin cinema and parking for 4,000 vehicles. One hundred percent of the space is rented and nearly 2,000 people were employed in the new mall. The primary anchor store is a three-level (261,500 square foot) J. C. Penney. It was the chains first location outside the fifty states and its largest operation between 1968 and 1971. The mall also housed two San Juan-based department stores as its second and third anchors. These are a two-level (76,500 square foot) Gonzales Padin and (22,000 square foot) Velasco. Inline stores include Martha Washington Ice Cream, Zale Corporation, Florsheim Shoes, La Esquina Famosa (mens clothing), Bakers (shoes), Zale Corporation, Clubman, Marianne Shops, Singer Corporation Sewing Center, New York & Company, Thom McAn, La Favorita and First Federal Savings Bank, along with an F. W. Woolworth Company, Farmacias Gonzalez (pharmacy), La Cosa (curios), La Tienda Sin Nombre (shoes), Bennys Toys, Pueblo Supermarket, travel agency and a full-sized hardware store. A small section had a second floor where medical and business offices were accessible. The following year, the architectural design of Plaza las Americas won the URBE Award for Best Commercial Architecture
Question: What year did the architectural design of Plaza las Americas win the URBE Award for Best Commercial Architecture?

Answer: date

Question: Passage: Between 1874 and 1921, the total population of Cambodia increased from about 946,000 to 2.4 million. By 1950, it had increased to between 3,710,107 and 4,073,967, and in 1962 it had reached 5.7 million. From the 1960s until 1975, the population of Cambodia increased by about 2.2% yearly, the lowest increase in Southeast Asia. By 1975 when the Khmer Rouge took power, it was estimated at 7.3 million. Of this total an estimated one to two million reportedly died between 1975 and 1978. In 1981, the PRK gave the official population figure as nearly 6.7 million, although approximately 6.3 million to 6.4 million is probably more accurate. The average annual rate of population growth from 1978 to 1985 was 2.3%. A post-Khmer Rouge baby boom pushed the population above 10 million, although growth has slowed in recent years.
Question: How many years did the total population of Cambodia increase to 946,000 to 2.4 million?

Answer:
number