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'.

Ex Input:
Passage: Thomas was born to Thomas Marston Green Sr., a future Colonel in the Continental Army, and Martha Wills. He was born in Williamsburg, Virginia, on February 26, 1758. In 1782 he moved with his family to Natchez District, Mississippi Territory. He would later move to Fayette, Mississippi where he would build the Springfield Plantation, and where he would live until his death. The Green family were good friends with Andrew Jackson and Rachel Donelson. Thomas's brother Abraham married Elizabeth Caffery who was the niece of Rachel Jackson. In August 1791, Andrew Jackson and Rachel were married at the Green Family Springfield Plantation. The marriage ceremony was performed by Thomas Green Sr., while Thomas Jr. served as a witness. Andrew and Rachel would later find out that Rachel's divorce was not finalized, at the time of the wedding.
 Link Information: Thomas Marston Green Sr. (November 19, 1723 – 1805) Question: How old was Thomas Marston Green Jr.s father when he was born?

Ex Output:
Answer: 46


Ex Input:
Passage: Francisco "Chico" Serra (born 3 February 1957 in São Paulo) is a racing driver from Brazil. He won the 1979 British Formula 3 Championship. He participated in 33 Formula One World Championship Grands Prix for Fittipaldi and Arrows, debuting on 15 March 1981. He made 18 starts, not qualifying for the remaining fifteen races, although he ought to have started as the reserve in the 1982 Swiss Grand Prix. However, Ferrari withdrew Patrick Tambay's entry so late that Serra was not allowed to take part. Serra scored one championship point, for finishing sixth in the 1982 Belgian Grand Prix. After qualifying for the 1982 Canadian Grand Prix, Serra and countryman Raul Boesel had a short scuffle. Serra was furious at Boesel for blocking his last flying lap after waving Keke Rosberg by. Boesel denied that this was intentional. Serra made one CART Champ Car start in 1985 at the Portland International Raceway for Ensign Racing but suffered an engine failure.
 Link Information: Ensign entered Formula One in , with backing from pay driver, Rikky von Opel. Von Opel had driven for the team in Formula Three in 1972 and won the Lombard North Central, British Formula Three Championship that year. Based upon that success, von Opel commissioned a Formula One chassis. Their first season was not successful, von Opel only finished two races and the team's best result that season was 13th at the 1973 British Grand Prix. Question: How long had Ensign Racing been in business when Serra made one CART Champ Car start at the Portland International Raceway?

Ex Output:
Answer: 12


Ex Input:
Passage: Gallacher was born in Bridge of Weir and started his footballing career Linwood St Conval and Bridge of Weir before moving to Sunderland. He made his debut for Sunderland on 21 September 1929 against Arsenal in a 1–0 loss at Roker Park. He was part of the 1937 FA Cup Final winning side against Preston North End. In his career at Sunderland, Gallacher made 309 appearances and scored 108 goals in all competitions. He helped the "Black Cats" to win the First Division in 1935–36, scoring 20 goals in that title winning season. He then moved on to Stoke City in December 1938 just before the World War II. He only managed to play four matches for Stoke due to injury and left at the end of the 1938–39. He then played in Ireland for Coleraine and Cork United before signing for Cheltenham Town in September 1948 playing 8 games before leaving.
 Link Information: none Question: How many miles separate Bridge of Weir and Roker Park?

Ex Output:

Answer: none