So if your quota is for 50 men and 50 women, for example, you'll want to include a question early in the survey asking about your respondent's gender.
Yabụ ọ bụrụ n 'ị chọrọ ịmata etu ụmụ nwoke na ụmụ nwanyị siri dị iche iche zaghachiri ajụjụ gị dị iche iche, iji ma atụ, ị ga-agụnye ajụjụ nyocha ịjụ ajụjụ gbasara jenda gị.