TASK DEFINITION: In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
PROBLEM: Context: . In 1376, he voyaged to lands along the Vychegda and Vym rivers Link Information: none Question: Which of the rivers along which Stephen traveled in 1376 has the widest point?

SOLUTION: Answer: none

PROBLEM: Context: He graduated from the Academy of Fine Arts of Vienna in 1880. He studied in the class of professor Christian Griepenkerl Link Information: Christian Griepenkerl (17 March 1839 – 22 March 1916) Question: How old was the professor that Predic studied with in Vienna?

SOLUTION: Answer: 41

PROBLEM: Context: but Hanecki and the other Polish delegate, Adolf Warski, did not make the journey to London Link Information: Adolf Warski, born Jerzy (or Adolf) Warszawski (April 20, 1868, Question: What is the birth date of the other Polish RSDLP delegate who didn't go to London?

SOLUTION:
Answer: April 20, 1868