SELECT max(Points) FROM climber WHERE Country  =  "United Kingdom"
Return the maximum number of points for climbers from the United Kingdom.
[Schema (values) (types)]: | climbing |  mountain : mountain_id (text) , name (number) , height (text) , prominence (number) , range (number) , country (text) | climber : climber_id (text) , name (number) , country (text) , time (number) , points (number) , mountain_id (text);