Make questions for the underlined parts in the following sentences:
2.After a San Chay female gives birth,arrangers will have to wait 42 days to visit her.
3.The Giarai Ethnic group or also known as Gia Ray,Cha Ray live in central Highlands of Viet Nam.
7.The Tay people have the second largest population in Viet Nam.
8.The cultural heritage of ethnic people in Viet Nam is very rich.
11.The sandstone section is the most important collection in Da Nang Museum of the Cham people.