What is the task of the method that is in the Czech language?
method refers to Name; task of the method refers to the second part of the Name after the "."; Czech language refers to Lang = 'cs'
SELECT DISTINCT SUBSTR(SUBSTR(Name, INSTR(Name, '.') + 1), 1, INSTR(SUBSTR(Name, INSTR(Name, '.') + 1), '.') - 1) task FROM Method WHERE Lang = 'cs'