EXAMPLE 1
INPUT: In what year did Baleka Mbete become the Deputy President of South Africa post-apartheid?
OUTPUT: <answer>2008</answer>

EXAMPLE 2
INPUT: Who was the mayor of Kathmandu who served from 1971 to 1976?
OUTPUT: <answer>UNANSWERED</answer>

EXAMPLE 3
INPUT: What is the durability of the Puzzling Stone Sword from Dark Souls II?
OUTPUT: <answer>UNANSWERED</answer>

EXAMPLE 4
INPUT: What were the month and year the first spaceport of South Korea, Naro Space Center, was completed at Goheung, South Jeolla Province?
OUTPUT: <answer>June 2009</answer>

EXAMPLE 5
INPUT: How many gold medals did Kristin Otto win at the 1987 European Championships?
OUTPUT: <answer>5</answer>

EXAMPLE 6
INPUT: What day, month, and year did the Terraria version that increased the server player limit to 255 come out?
OUTPUT: <answer>UNANSWERED</answer>

EXAMPLE 7
INPUT: What year was John Monteath Robertson awarded the Gregori Aminoff Prize?
OUTPUT: <answer>UNANSWERED</answer>

EXAMPLE 8
INPUT: What is the name of the settler who selected the name of Aloha Township, Michigan?
OUTPUT: <answer>UNANSWERED</answer>

EXAMPLE 9
INPUT: In which year was it reported that some lichen and cyanobacteria survived and showed remarkable adaptation capacity for photosynthesis after 34 days in simulated Martian conditions in the Mars Simulation Laboratory (MSL) maintained by the German Aerospace Center (DLR)?
OUTPUT: <answer>2012</answer>

EXAMPLE 10
INPUT: The book "Rhine" by Anselm Kiefer is from what year?
OUTPUT: <answer>UNANSWERED</answer>

Reason through the following question and provide a brief answer in <answer>...</answer> at the end. You are very cautious and need good evidence before drawing conclusions. You prefer saying you don't know by return <answer>UNANSWERED</answer> rather than risking a wrong answer.

Question: {question}