In this task, you're given a passage, 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'.

Q: Passage: On May 20, 1861, when the Civil War began, Indiana Governor Oliver P. Morton appointed Hackleman colonel of the 16th Indiana Volunteer Infantry of one-year volunteers. Hackleman and the 16th Indiana were sent to the Eastern Theater where they were engaged at the Battle of Ball's Bluff. On April 28, 1862 he was promoted to brigadier general of volunteers and ordered to report to Ulysses S. Grant in the Western Theater. Hackleman was assigned to command the 1st Brigade in the 2nd Division of the Army of the Tennessee. The 2nd Division, led by Thomas A. Davies, was temporarily attached to William S. Rosecrans' Army of the Mississippi stationed around Corinth, Mississippi. On October 3, the Confederate Army attacked Rosecrans. Early in the fighting the Confederates forced a gap between Davies and General Thomas J. McKean's divisions and the Union line began to fall back. At this point in the battle Hackleman attempted to rally his brigade and was shot through the neck. He was taken to the Tishomingo Hotel in Corinth where he lay dying from the mortal wound. His final words were: "I am dying, but I die for my country". His body was returned to his home in Rushville where he was buried. He was the only Indiana general to be killed in battle during the Civil War.
 Link Information: The Battle of Ball's Bluff in Loudoun County, Virginia on October 21, 1861, Question: What city was the battle in that the 16th Indiana Volunteer Infantry fought in the Eastern Theater?

A: Answer: Loudoun County
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Q: Passage: Ibrahim was born in Cape Town on 9 October 1934, and was baptized Adolph Johannes Brand. He attended Trafalgar High School in Cape Town's District Six, and began piano lessons at the age of seven, making his professional debut at 15. He is of mixed-race heritage, making him a Coloured person according to the South African government. His mother played piano in a church, the musical style of which would remain an influence; in addition, he learned to play several genres of music during his youth in Cape Town, including marabi, mbaqanga, and American jazz. He became well known in jazz circles in Cape Town and Johannesburg. In 1959 and 1960, Ibrahim played with the Jazz Epistles group in Sophiatown, alongside saxophonist Kippie Moeketsi, trumpeter Hugh Masekela, trombonist Jonas Gwangwa (who were all in the orchestra of the musical King Kong that opened in Johannesburg in February 1959), bassist Johnny Gertze and drummer Makaya Ntshoko; in January 1960, the six musicians went into the Gallo studio and recorded the first full-length jazz LP by Black South African musicians, Jazz Epistle Verse One, with 500 copies being produced. Although the group avoided explicitly political activity, the apartheid government was suspicious of it and other jazz groups, and targeted them heavily during the increase in state repression following the Sharpeville massacre, and eventually, the Jazz Epistles broke up.
 Link Information: According to the South African National Census of 2011, the population of the City of Cape Town metropolitan municipalityan area that includes suburbs and exurbs not always considered as part of Cape Townis 3,740,026 people Question: Which South African city that Ibrahim became a well known Jazz player has the highest population?

A: Answer: Johannesburg
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Q: Passage: After retiring as a player, Fryer embarked upon a lengthy career as an NBA referee, beginning in 1978. As of the beginning of the 2006–07 NBA season, he officiated 1,649 regular season, 145 playoff, and 11 NBA Finals games as well as the 1998 All-Star Game. He was also one of three former NBA players (Leon Wood and Haywoode Workman) who officiated in the league. During a 2002 playoff game between the Charlotte Hornets and Orlando Magic, Fryer and his officiating crew disallowed a field goal made by the Hornets Baron Davis. Davis received an inbound pass with 0.7 seconds remaining and successfully made the shot before the buzzer sounded. This incident led Commissioner David Stern to consider the use of instant replay in NBA games. Considered one of the top-rated referees in the league, he retired in 2007 following Game 3 of the 2007 NBA Finals having officiated 1,806 NBA games. It was reported that Fryer was dissatisfied over the current state of management of officials.
 Link Information:  he retired in 2007 Question: How old was Leon Wood the year that Fryer retired from his referee position?

A:
Answer: 45
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