Generate a correct and concise answer for the question based on the words in the context.

Context : John Bardeen was born in Madison, Wisconsin on May 23, 1908. 
Question : What city is John Bardeen associated with?
Madison

Context : H Velorum is a star in the constellation Vela. 
Question : Which was the constellation for H Velorum?
Vela

Context : Mamochisane (fl. 1850s) was a Makololo Queen who ruled over many people, but especially the Lozi in Barotseland, today's Western Zambia, and was a wife of King Sipopa Lutangu. 
Question : What is Mamochisane's spouse's name?

Sipopa Lutangu