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.

Question: Who else starred in Channing the year Tim Conway appeared on the show? Passage:In 1963, Conway guest-starred in Channing playing a job applicant. In 1968, he made two guest appearances on That's Life. From 1970 to 1971, Conway made four appearances on Rowan & Martin's Laugh-In. In 1974, he was in the ABC Afterschool Special as a janitor in the episode: "The Crazy Comedy Concert". In 1987, Conway guest-starred in Faerie Tale Theatre as a mayoral candidate in the episode: "Rip Van Winkle". In 1990, he guest-starred in Newhart as himself in the episode: "Dick and Tim". In 1991, Conway made a cameo appearance in Carol & Company as audience member in the episode "That Little Extra Something". From 1995 to 1996, he guest-starred in Married... with Children as Ephraim Wanker, the hillbilly father of Peg Bundy in four episodes. In 1996 and 1997, Conway guest-starred in ABC's Coach, for which he received the Primetime Emmy Award for Outstanding Guest Actor in a Comedy Series, playing Kenny Montague in the 1996 episode "The Gardener."
b