George Karl called being on the court his sanctuary. Carmelo Anthony answered his coach’s prayer. Anthony scored 40 points, including the winning basket, and Denver overcame LeBron James’ monstrous night to end the Cavaliers’ 13-game winning streak with a 118-116 victory in overtime Thursday night in Karl’s first game since revealing he has neck and throat cancer. “I think he’s happy,” Anthony said of his coach. “This boosted his spirit up a lot. In the back of our mind, we know his situation. We’re playing for him.” James had his triple-double by the end of regulation, and became the first NBA player with at least 43 points, 13 rebounds, 15 assists, two steals and four blocks, according to the Elias Sports Bureau. James’ triple-double came in front of Oscar Robertson, who averaged a triple-double during the 1961-62 season. He was honored before the game along with Jerry West, James and Anthony as co-captains of US Olympic gold medal basketball teams. Robertson and West captained the Americans’ gold medal in 1960, while James and Anthony were the co-captains in 2008. James is also the first player to have at least 40 points, 15 assists and 13 rebounds in a game since Robertson had 42 points, 18 assists and 15 rebounds on Feb. 13, 1962. “In that sense, it’s huge because of what he was able to do,” James said. “But in the sense of us losing the ball game, it means nothing.” Anthony matched him shot for shot, hitting the winner on a deep jumper over an outstretched James …