FIFA World Cup winners in 1978 and 1986 (9)
I believe the answer is:
argentina
'fifa world cup winners in 1978 and 1986' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for argentina that I've seen before include "part of 18 [SOUTH AMERICA]" , "Ta, Grannie, for the odd country" , "South American country" , "FIFA World Cup winners in 1978 and 1986" , "Evita's land" .)