In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
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Question: Context: Karel Bossart was born on February 9, 1904 in Antwerp, Belgium. Link Information: The earliest mention of Antwerp dates from the 4th century.

In the 4th century Answer: 17

Answer: How old is the city where Bossart was born?


Question: Context: Izold Pustõlnik graduated cum laude from Odessa University in 1960 Link Information: none Answer: none

Answer: Which school had more students attending the year that Pustõlnik graduated from Odessa University; Saint Petersburg State University or the University of Tartu?


Question: Context: She gained further recognition with the collaborative single "Lady Marmalade" from the Moulin Rouge! soundtrack, which topped many charts worldwide. Link Information: The 2001 version by singers Christina Aguilera, Mýa, Pink and rapper Lil' Kim, recorded for the Moulin Rouge! soundtrack Answer: Christina Aguilera

Answer:
Who did Pink collaborate with on Lady Marmalade?