Definition: In this task you are given a list of triplets of the form [subject, predicate, object] and the output should be a question based on the triplets but with the subject and/or object replaced with blanks (represented using two or more consecutive underscores). Triplet values encompassed in [*] are special tokens that can be replaced with synonyms. The objective is to construct a question in a manner that (a) captures the facts specified in at least one of the triplets, and (b) ideally contains a limited number of blanks such that it is a well-formed question that is easy to answer. A blank can represent a single word or a phrase.
Input: [['AEK Athens F.C.', 'SEASON', '2014–15 Football League (Greece)'], ['AEK Athens F.C.', 'LEAGUE', 'Superleague Greece'], ['AEK Athens F.C.', 'GROUND', 'Athens'], ['AEK Athens F.C.', 'NUMBER_OF_MEMBERS', '69618']]

_____ play in the Superleague Greece and they played the 2014-2015 season. Their ground is in Athens, and they have _____ members.