Question: What is the sister company of the airline which serves Sauce Viejo Airport?
Sentence (from "Sauce Viejo, Argentina"): It is located about 22 km from the province's capital city, Santa Fe, and has a population of 6,825 inhabitants (2001 census ) which represents a growth of 87.96% compared to the 3,631 inhabitants (2001 census ) of the previous census.
Relevant evidence: No