instruction:
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'.
question:
Passage: The Lookout Mountain Incline Railway is a inclined plane funicular railway leading to the top of Lookout Mountain from the historic St. Elmo neighborhood of Chattanooga, Tennessee. Passengers are transported from St. Elmo's Station at the base, to Point Park at the mountain summit, which overlooks the city and the Tennessee River. It is just a short drive to three of Chattanooga's main tourist attractions, Ruby Falls, Cavern Castle, and Rock City. The railway is approximately in length (single-track except for a short two-track passing loop at the midway point, allowing operation of two cars at one time). It has a maximum grade of 72.7%, making it one of the world's steepest passenger railways. It obtained Historic Mechanical Engineering Landmark status in 1991. The cable system for the cars was made by the Otis Elevator Company.
 Link Information:  The company pioneered the development of the "safety elevator", invented by Otis in 1852, which used a special mechanism to lock the elevator car in place should the hoisting ropes fail.
 Question: In what year did the Otis Elevator Company first use the cable system for their railway cars?
answer:
Answer: 1852


question:
Passage: Haydock was a graduate of Glasgow University and was a travelling salesman for the Clydevale Oil & Colour Company, Bridgeton. In September 1914, one month after the outbreak of the First World War, Haydock enlisted in the Queen's Own Cameron Highlanders. In January 1915, he was commissioned as a second lieutenant in the Cameronians (Scottish Rifles). Haydock saw action at Gallipoli and Palestine before being seriously wounded during an attack on Umbrella Hill during the Third Battle of Gaza on 1 November 1917. He did not return to his battalion until August 1918, after it had been deployed on the Western Front. Haydock was wounded during an attack on the Hindenburg Line, west of Quéant on 2 September 1918 and died the same day at a Casualty Clearing Station in Bailleulval. He was buried in Bac-du-Sud British Cemetery, Bailleulval.
 Link Information: none Question: How many casualties were there in the battle in which Haydock was wounded in November 1917?
answer:
Answer: none


question:
Passage: McGrath was recruited by the Essendon Football Club with the number one draft pick in the 2016 national draft. He made his debut in the 25 point win against in the opening round of the 2017 season at the Melbourne Cricket Ground, recording 22 disposals. He received an AFL Rising Star nomination for his performance in the sixty-five point loss against Adelaide at Adelaide Oval in round four, in which he garnered twenty-eight disposals and four tackles. He kicked his first AFL goal against Melbourne in round 6. McGrath had another notable performance against Adelaide in round 21, where he kept star forward Eddie Betts goalless and held him to only seven disposals, his lowest output of the season. He capped off an outstanding first season by winning the AFL Rising Star, receiving the Ron Evans Medal with 51 votes out of a possible 55, becoming the second Essendon player to win the award, after Dyson Heppell, as well as winning the AFLPA Best First Year Player award, and was named in the 22under22 team.
 Link Information: The men's team won both the 1997 and 1998 Grand Finals, Question: How many championships did the team that McGrath played against when he won the AFL Rising Star nomination win?
answer:

Answer: 2