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 Q]: Passage: In 2014, Ivanovic enjoyed a resurgence and attained a number of career-best achievements. She began the year by winning her first title in three years at the ASB Classic, defeating former world No. 1 Venus Williams in three sets before upsetting the reigning world No. 1 Serena Williams en route to her second Australian Open quarterfinal where she lost in three sets to thirtieth seed, Eugenie Bouchard. During the clay court season, Ivanovic reached her third final of the year at the Porsche Tennis Grand Prix, losing to two-time defending champion Maria Sharapova; the quarterfinals of the Mutua Madrid Open and the semi-finals of the Internazionali BNL d'Italia, defeating Sharapova for the first time since 2007 en route but was ultimately upset by Lucie Šafářová in the third round of the French Open. She rebounded by winning her first career singles title on grass at the Aegon Classic before reaching the final of the Western & Southern Open (her first top tier Premier final since 2009) and thus returned to the top ten of the WTA rankings for the first time in five years as a result. In September, Ivanovic reached her sixth singles final of the year (a new career-best) at the Toray Pan Pacific Open, where she defeated Caroline Wozniacki to claim her fourth title of the season, the most titles she won in a single season.
 Link Information: Venus Ebony Starr Williams (born June 17, 1980) Question: Which Williams sister is the oldest?
[EX A]: Answer: Venus Williams

[EX Q]: Passage: The Vidarbha Cricket Association Stadium, also known as the New VCA Stadium, is a cricket ground in Nagpur, India. It is the home of the Vidarbha cricket team in the Ranji Trophy and the Central Zone cricket team in the Duleep Trophy. It is also a Test, One Day International and Twenty20 International (T20) venue. The ground was opened in 2008. It replaced the Vidarbha Cricket Association Ground as the city's primary cricket venue. The new Vidarbha Cricket Association Stadium has a capacity of 45,000 spectators. It has been praised by the International Cricket Council, and also by players, commentators and journalists because of its facilities. The ground has hosted six Test matches, the first in 2008 when Australia lost to India by 172 runs. It has also staged eight One Day International matches, the first of which was in 2009 when India beat Australia by 99 runs. Eleven Twenty20 Internationals have been played at the ground, the first when India played Sri Lanka in 2009. Of the eight One Day Internationals played at the stadium, four matches were held during the group stage of the World Cup in 2011. Of the eleven Twenty20 Internationals staged at the venue, nine matches were staged during the World Twenty20 in 2016.
 Link Information: none Question: What is the current world ranking of the team that India played against in the first Twenty20 Internationals match at Vidarbha stadium?
[EX A]: Answer: none

[EX Q]: Passage: Ronnie Barker and Ronnie Corbett met in 1963 at the Buckstone Club in the Haymarket, London, where Corbett was serving drinks between acting jobs. At the time, Barker was beginning to establish himself as a character actor in the West End and on radio. They were invited by David Frost to appear in his new show, The Frost Report, with John Cleese, but the pair's big break came when they filled in, unprepared and unscripted, for eleven minutes during a technical hitch at a British Academy of Film and Television Arts awards ceremony at the London Palladium in 1970. In the audience was Bill Cotton, the Head of Light Entertainment for the BBC, and Sir Paul Fox, the Controller of BBC1. Cotton was so impressed by the duo that he turned to Fox and asked: "How would you like those two on your network?" Unbeknownst to them the pair had just had the renewal of their contract declined by London Weekend Television of rival network ITV, and so were free to change channels. Barker and Corbett were given their own show by the BBC.
 Link Information: he Frost Report was a satirical television show hosted by David Frost. It ran for 28 episodes on the BBC from 10 March 1966 to 26 December 1967. It introduced John Cleese, Ronnie Barker, and Ronnie Corbett to television, and launched the careers of other writers and performers.

 Question: What year did Barker and Corbett appear on The Frost Report?
[EX A]:
Answer: 1966