Value Set Võro South Estonian/Can an adnominal demonstrative agree with the noun in number?

Coded value: 1 (present)

Sentence 5325:
mille sa taad teit?
mille
Q
sa
2SG
taa-d
DEM.SPKR.PROX-PRT
te-i-t?
make-PST-2SG
Why did you do this?