Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

AT&T also said it would change the methodology DirecTV used to count its commercial subscribers to conform to its practices, which will reduce DirecTV's total subscriber count by 918,600 at the close of the deal in July.

Answer: owned_by: DirecTV, at