what is the {point in time} for {Chita Rivera} has {nominated for} as {Tony Award for Best Actress in a Musical} ?
The nomination for the Tony Award for Best Actress in a Musical was given to Chita Rivera on what date?
When was Chita Rivera nominated for the Tony Award for Best Actress in a Musical?
SELECT ?y WHERE { ?t property:point_in_time ?y . ?t property:nominated_for resource:Tony_Award_for_Best_Actress_in_a_Musical . resource:Chita_Rivera property:nominated_for ?t }
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