Max num value sgqa
From LimeSurvey Manual
Maximum value from SGQA (max_num_value_sgqa)
Allows you to set the maximum sum total of all predefined answers that will be accepted. The SGQA value entered for this attribute uses the answer to that SGQA question as the maximum value.
To use this question attribute you should understand the [SGQA identifier]
Setting a particular SGQA identifier for this would mean that the total value of all numbers entered in all input boxes for this question may not exceed whatever answer was made to the SGQA question referred to. Totals above that figure would be not allowed. Totals below that figure would be acceptable.