What is San Francisco 49ers?
{{Infobox NFL team | name = San Francisco 49ers | current = 2021 San Francisco 49ers season | wordmark = San Francisco 49ers wordmark.svg | logo = San Francisco 49ers logo.svg | founded = {{Start date and age|1944|6|4}}<ref>{{cite web|title=San Francisco 49ers Team Facts|url=http://www.profootballhof.com/teams/san-francisco-49ers/team-facts/|publisher=NFL Enterprises, LLC|website=ProFootballHOF.com|access-date=January 4, 2020|archive-url=https://web.archive.org/web/20171003075220/http://www.profootballhof.com/teams/san-francisco-49ers/team-facts/|archive-date=October 3, 2017|url-status=live}}</ref> | first_season = [[1946 San Francisco 49ers season|1946]] | city = [[Levi's Stadium]]<br />[[Santa Clara, California]] | misc = '''Headquartered in''' Marie P. DeBartolo Sports Center<br />[[Santa Clara, California]] | uniform = File:49ers_uniforms_18.png | colors = Red, gold<ref>{{cite web|title=Table of Contents|url=https://static.www.nfl.com/image/upload/v1597702948/league/cndrxok9hmnqgx19tuce.pdf#page=3|publisher=NFL Enterprises, LLC|work=2020 San Francisco 49ers Media Guide|date=August 17, 2020|access-date=November 1, 2020}}</ref><ref>{{cite web|title=San Francisco 49ers Team Capsule|url=https://static.www.nfl.com/league/apps/league-site/media-guides/2020/2020_NFL_Record_and_Fact_Book#page=209|publisher=NFL Enterprises, LLC|work=2020 Official National Football League Record and Fact Book|date=August 17, 2020|access-date=November 1, 2020|archive-date=August 19, 2020|archive-url=https://web.archive.org/web/20200819215050/https://static.www.nfl.com/league/apps/league-site/media-guides/2020/2020_NFL_Record_and_Fact_Book#page=209|url-status=dead}}</ref><br />{{color box|#AA0000}} {{color box|#B3995D}} | nicknames = * Niners * The Red and Gold * Niner Gang | owner = [[Denise DeBartolo York]] | coach = [[Kyle Shanahan]] | general manager = [[John Lynch (American football)|John Lynch]] | chairman = [[Denise DeBartolo York]]<br />[[John York]] (co-chairs) | ceo = [[Jed York]] | president = Al Guido | mascot = [[Sourdough