what happens whether there's an event in at&t one thing worth noting it is up to 18 to us attire the regular warriors game like 8 to 10 percent no shows a sold-out on stage concert 14 thousand you don't typically sell the seats behind the stage if you look at the average it is 9 thousand 10 for events we stress the difference between 9 thousand and 14 is a stress on the grid is different from thirty or 40 thousand at&t clearly there's a challenge with appropriate manufacture i measures it is not the same impact when a giants game that large population so we have that cac meeting set up i don't know if we have boxed after the 30th but continue the conversation with the cac and the other folks that are interested. >> pardon me. >> what. >> when april 30th. >> and that's a mission bay. >> mission bay yeah. >> commissioner lee. >> so i'm happy you guys are down there i was involved with the watching of the stadium by the bridge are you planning to have the design is improved in two years do you have that rooftop before they were able to walk on the roof are you planning on implementing that things change