To setup and create the League Team Marks you will need to be a League Administrator. Hover over the results tab on Full Time and then choose League Team Marks Setup.
After clicking on create new you can then type in the Question. the answer format (which consists of yes/no answer, number answer or a free text answer). who you would like the number to be answered by, the status of the question and if you would like the question to be answered before player statistics are entered.