Question: Finnair, the largest airline of Finland, is a member of what airline alliance founded on February 1, 1999?
Sentence (from "Finnair"): Finnair (Finnish: "Finnair Oyj" , Swedish: "Finnair Abp" ) is the flag carrier and largest airline of Finland, with its headquarters in Vantaa on the grounds of Helsinki Airport, its main hub.
Relevant evidence: Yes