Definition: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Positive Example 1 -
Input: Context : Isaac Nicola Romero (1916 in Havana, Cuba -- 1997) was a prominent Cuban guitarist and one of the founders of the modern Cuban Guitar School. 
Answer : Havana
Output: What was Isaac Nicola's city of birth?

Positive Example 2 -
Input: Context : Tweetie Pie won the Academy Award for Best Animated Short Film, breaking Tom and Jerry's streak of four consecutive wins on the category. 
Answer : Academy Award for Best Animated Short Film
Output: What award was Tweetie Pie nominated for?

Negative Example 1 -
Input: Context : An Officer and a Gentleman is a 1982 American drama/romance film that stars Richard Gere, Debra Winger and Louis Gossett, Jr., who won the Academy Award for Best Supporting Actor for the film, and was produced by Lorimar Productions for Paramount Pictures. 
Answer : Academy Award for Best Supporting Actor
Output: What time does An Officer and a Gentleman belongs to?

Negative Example 2 -
Input: Context : Isaac Nicola Romero (1916 in Havana, Cuba -- 1997) was a prominent Cuban guitarist and one of the founders of the modern Cuban Guitar School. 
Answer : Cuban Guitar School
Output: What was Isaac Nicola's city of birth?

Now complete the following example -
Input: Context : South African Airways Flight 228 was a scheduled flight of the Boeing 707-300C Pretoria, registration ZS-EUW, on 20 April 1968 from Johannesburg to Heathrow via Windhoek, Luanda, Las Palmas and Frankfurt. 
Answer : 20 April 1968
Output: 


Output: What was the date of South African Airways Flight 228?