Question: Gol Transportes Aéreos is the second largest Brazilian airline company by market share after the company that merged with LAN Airlines on which date?
Sentence (from "Gol Transportes Aéreos"): Gol Linhas Aéreas Inteligentes S.A ("Gol Intelligent Airlines S.A." also known as VRG Linhas Aéreas S/A) BM&F Bovespa: GOLL3, GOLL4 / is a Brazilian airline based in São Paulo, Brazil.
Relevant evidence: No