Table: cathayopterus
Columns: name
status
authors
unit
location

Question: What country is the Jiufotang Formation located in?
SQL: SELECT "location" FROM cathayopterus WHERE "unit" = 'jiufotang formation'

Question: Which author is located in Mexico?
SQL: SELECT "authors" FROM cathayopterus WHERE "location" = 'mexico'

Question: Where is wang li duan cheng located?
SQL: SELECT "location" FROM cathayopterus WHERE "authors" = 'wang li duan cheng'

Question: What is the status of the pterosaur named Cathayopterus?
SQL: SELECT "status" FROM cathayopterus WHERE "name" = 'cathayopterus'