Question: What low-cost airline headquartered in Tan Binh District, Ho Chi Minh City, Vietnam, has the second busiest airport in Vietnam with its hub?
Sentence (from "Jetstar Pacific"): Jetstar Pacific Airlines Joint Stock Aviation Company (operating as Jetstar Pacific) is a low-cost airline headquartered in Tan Binh District, Ho Chi Minh City, Vietnam.
Relevant evidence: Yes