Found:
multiple question
SYNTAX: Question with more than one wh-phrase.
EXAMPLE: Who bought what? In English, a multiple question
has all but one of its wh-phrases in situ, since only one wh-phrase may be fronted (see wh-in-situ). Some languages display multiple wh-fronting.
LIT. | Chomsky, N. (1986b) Chomsky, N. (1981) |