This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.

Exhibitions and annual horse shows in all districts and a national horse and cattle show at Lahore are held with the official patronage. The national horse and cattle show at Lahore is the biggest festival where sports, exhibitions, and livestock competitions are held. It not only encourages and patronises agricultural products and livestock through the exhibitions of agricultural products and cattle but is also a colourful documentary on the rich cultural heritage of the province with its strong rural roots.
What is Punjab's biggest festival?

The band have released a total of eighteen number one albums, eighteen number one singles, and ten number one DVDs worldwide, making them one of the world's best-selling music artists. Queen have sold over 150 million records, with some estimates in excess of 300 million records worldwide, including 34.5 million albums in the US as of 2004. Inducted into the Rock and Roll Hall of Fame in 2001, the band is the only group in which every member has composed more than one chart-topping single, and all four members were inducted into the Songwriters Hall of Fame in 2003. In 2009, "We Will Rock You" and "We Are the Champions" were inducted into the Grammy Hall of Fame, and the latter was voted the world's favourite song in a global music poll.
How many number one singles did Queen release?

The Bronx's evolution from a hot bed of Latin jazz to an incubator of hip hop was the subject of an award-winning documentary, produced by City Lore and broadcast on PBS in 2006, "From Mambo to Hip Hop: A South Bronx Tale". Hip Hop first emerged in the South Bronx in the early 1970s. The New York Times has identified 1520 Sedgwick Avenue "an otherwise unremarkable high-rise just north of the Cross Bronx Expressway and hard along the Major Deegan Expressway" as a starting point, where DJ Kool Herc presided over parties in the community room.
When did a PBS documentary air about the Bronx's music history?