Give a stream of consciousness and then the final answer. Most goals scored by a team: 16 Belgium Fewest goals scored by a team: 2 Australia, Costa Rica, Egypt, Germany, Iceland, Iran, Morocco, Panama, Peru, Poland, Saudi Arabia, Serbia Most goals conceded by a team: 11 Panama Fewest goals conceded by a team: 2 Denmark, Iran, Peru Best goal difference: + 10 Belgium Worst goal difference:-9 Panama Most goals scored in a match by both teams: 7 Belgium 5 -- 2 Tunisia, England 6 -- 1 Panama, France 4 -- 3 Argentina Most goals scored in a match by one team: 6 England against Panama Most goals scored in a match by the losing team: 3 Argentina against France Biggest margin of victory: 5 goals Russia 5 -- 0 Saudi Arabia, England 6 -- 1 Panama Most clean sheets achieved by a team: 4 France Fewest clean sheets achieved by a team: 0 Argentina, Australia, Costa Rica, Egypt, Germany, Iceland, Japan, Morocco, Panama, Saudi Arabia, Senegal, Switzerland, Tunisia Most clean sheets given by an opposing team: 2 Costa Rica, England, Germany, Mexico, Morocco, Peru, Saudi Arabia Fewest clean sheets given by an opposing team: 0 Brazil, Colombia, Croatia, Portugal, Spain, Tunisia Most consecutive clean sheets achieved by a team: 3 Brazil, Uruguay Most consecutive clean sheets given by an opposing team: 2 Costa Rica, Mexico, Morocco, Peru, Saudi Arabia

Based on this passage, who has conceded the least goals in the world cup 2018?
The relevant sentence in the passage is: Denmark, Iran, Peru
So, the final answer is Denmark.