Question: Which alliance was formed in January 2016 in which the Value Alliance is second to when we talk of  low-cost carriers
Sentence (from "Charles de Gaulle Airport"): Paris Charles de Gaulle Airport (French: "Aéroport de Paris-Charles-de-Gaulle" , IATA: CDG, ICAO: LFPG ), also known as Roissy Airport (name of the local district), is the largest international airport in France.
Relevant evidence: No