Question: Who wrote the British television sitcom with seven series being broadcast between 1981 to 1991, 16 sporadic Christmas specials, and a 'Comic Relief special', recorded as part of the 1997 appeal which features the final appearance of Uncle Albert?
Sentence (from "List of Mock the Week episodes"): As of 29 September 2017, 146 regular episodes and 25 clip shows (nine of which were Christmas/New Year specials) have been aired across sixteen series; 171 episodes in total (not including the 2011 Comic Relief special or ""Mock the Week Looks Back At..."").
Relevant evidence: No