Data: (15788) 1993 SB, epoch, 2006-03-06; (15788) 1993 SB, orbitalPeriod, 7729430000.0; (15788) 1993 SB, periapsis, 3997100000000.0; (15788) 1993 SB, apoapsis, 7715100000.0 (kilometres); (15788) 1993 SB, discoverer, Roque de los Muchachos Observatory
Sentence about the following data:
A: The celestial body known as (15788) 1993 SB has a periapsis of 3997100000000 and an apoapsis of 7715100000.0 (kilometres). Discovered by Roque de los Muchachos Observatory, (15788) 1993 SB has an orbital periodd of 7729430000.0 and its epoch is 6th March 2006.

Data: Alan Shepard, status, "Deceased"; Alan Shepard, almaMater, "NWC, M.A. 1957"; Alan Shepard, deathPlace, California; Alan Shepard, occupation, Test pilot; Alan Shepard, birthPlace, New Hampshire; Alan Shepard, birthDate, "1923-11-18"
Sentence about the following data:
A: Alan Shepard was born in New Hampshire on November 18th, 1923. After graduating from NWC with a MA in 1957, and working as a test pilot, he died in California.

Data: Catalonia, leader, Carles Puigdemont
Sentence about the following data:
A:
The leader of Catalonia is Carles Puigdemont.