Question: Sylvia Raphael Schjødt, was a South African-born Israeli Mossad agent, convicted of murder in Norway for her involvement in the Lillehammer affair, was the killing by Mossad agents of Ahmed Bouchiki, a Moroccan waiter and brother of the renowned musician Chico Bouchikhi, in Lillehammer, Norway on which date?
{'answer': 'July 21, 1973', 'supporting_facts': [['Sylvia Raphael', 0], ['Lillehammer affair', 0]]}