Task: Question Answering
Input (English): Passage: In the Puranic texts of Hinduism, Narasimha ("man-lion") a half-lion, half-man incarnation or avatar of Vishnu, is worshipped by his devotees and saved the child devotee Prahlada from his father, the evil demon king Hiranyakashipu; Vishnu takes the form of half-man, half-lion] creature in Narasimha, where he has a human torso and lower body, and a lion-like face and claws. Singh is an ancient Indian vedic name meaning "lion", dating back over 2,000 years in ancient India. It was originally used only by Rajputs, a Hindu Kshatriya or military caste. After the birth of the Khalsa brotherhood in 1699, the Sikhs also adopted the name "Singh" due to the wishes of Guru Gobind Singh. Along with millions of Hindu Rajputs today, it is also used by over 20 million Sikhs worldwide.The Asiatic lion is found as an emblem on numerous flags and coats of arms across Asia, including on the National Emblem of India. The Asiatic lion is also symbolic for the Sinhalese, Sri Lanka's ethnic majority; the term derived from the Indo-Aryan Sinhala, meaning the "lion people" or "people with lion blood", while a sword-wielding lion is the central figure on the national flag of Sri Lanka. 
Question: Whose father is an evil demon king?
Output (English): Prahlada.