"Qatar has agreed to pay the $100,000 fee to keep [the D.C.] Metro open until 12:30 a.m. on Thursday, when the Capitals host Game 4"

WaPo:

[D.C. Council member Jack] Evans led a delegation of D.C. government officials and private business representatives to Qatar and the United Arab Emirates last April in hopes of getting foreign investors interested D.C. projects. The government of Qatar previously invested heavily in the development of D.C.’s City Center.