instruction:
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.
question:
Passage: The 2010 maternal mortality rate per 100,000 births for Guinea Bissau was 1000. This compares with 804.3 in 2008 and 966 in 1990. The under-5 mortality rate, per 1,000 births, was 195 and the neonatal mortality as a percentage of under-5 mortality was 24. The number of midwives per 1,000 live births was 3; one out of eighteen pregnant women die as a result of pregnancy. According to a 2013 UNICEF report, 50% of women in Guinea Bissau had undergone female genital mutilation. In 2010, Guinea Bissau had the seventh-highest maternal mortality rate in the world.
Question: Which year had the lowest maternal mortality rate?
answer:
date


question:
Passage: The citys history is marked by numerous great fires. In 1198, the  faction set fire to the city in connection with a battle against the  faction during the civil war. In 1248,  and  burned, and 11 churches were destroyed. In 1413 another fire struck the city, and 14 churches were destroyed. In 1428 the city was plundered by German pirates, and in 1455, Hanseatic League merchants were responsible for burning down Munkeliv Abbey. In 1476,  burned down in a fire started by a drunk trader. In 1582, another fire hit the city centre and . In 1675, 105 buildings burned down in . In 1686 a new great fire hit , destroying 231 city blocks and 218 boathouses. The greatest fire to date happened in 1702 when 90 percent of the city was burned to ashes. In 1751, there was a great fire at . In 1756, a new fire at  burned down 1,500 buildings, and further great fires hit  in 1771 and 1901. In 1916, 300 buildings burned down in the city centre, and in 1955 parts of  burned down.
Question: What year was the earliest reported great fire?
answer:
date


question:
Passage: The Timberwolves debuted on November 3, 1989, losing to the Seattle SuperSonics on the road 106-94. Five days later, they made their home debut at the Hubert H. Humphrey Metrodome, losing to the Chicago Bulls 96-84. Two nights later on November 10, the Wolves got their first win, beating the Philadelphia 76ers at home 125-118. The Timberwolves, led by Tony Campbell with 23.2 ppg, went on to a 22-60 record, finishing in sixth place in the Midwest Division. Playing in the Hubert H. Humphrey Metrodome, the expansion Timberwolves set an NBA record by drawing over 1 million fans to their home games. This included a crowd of 49,551 on April 17, 1990, which saw the Timberwolves lose to the Denver Nuggets 99-88 in the final home game of the season.
Question: When did the Timberwolves make their home debut at the Hubert H. Humphrey Metrodome?
answer:

date