Definition: In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.
Input: Question: How many albums were recorded by the host of the show Dougie Squires appeared on  Christmas Day 1969? Passage:In 1970, the troupe continued to appear on BBC2's Show Of The Week and other BBC series in which they appeared included Lulu at Berns Restaurant, A Royal Television Gala Performance, The British Screen Awards, The Rod McKuen Show and Fifty Years Of Music. On Christmas Day 1969, they appeared simultaneously on BBC1 and BBC2, starring in Christmas Night With The Stars, hosted by Val Doonican on BBC1 and in their own 'special' Jesus on BBC2. In January 1970, they were given their own self-titled BBC2 TV series, while concurrently running 'specials' on BBC1 included The Young Generation meet Lulu, The Young Generation meet Esther Ofarim and The Young Generation meet Shirley Bassey, Another regular series with Rolf Harris followed in 1970 and 1971 on BBC1 and on BBC2, they starred alongside Kenneth Williams in Meanwhile on BBC2. Later in 1971, they appeared with Vera Lynn in Show Of The Week and Don Lurio temporarily replaced Squires as the troupe's choreographer. Their next BBC series came in 1972 on BBC1 in Engelbert with The Young Generation starring Engelbert Humperdinck. In 1973, they starred alongside Vince Hill in BBC2's series They Sold A Million. The same year saw another series: The Young Generation Big Top, which featured Clodagh Rodgers, The Bachelors, Danny La Rue and Sandie Shaw. A second series of They Sold A Million aired in 1974, followed the same year by Ken Dodd's World Of Laughter on BBC1. Their last BBC series was The Musical Time Machine which aired on BBC2 in 1977. They continued to appear regularly with Vera Lynn on BBC shows, including A Jubilee Of Music in 1976.


b