Definition: Write an inquisitive question about a specific text span in a given sentence such that the answer is not in the text.
Input: Sentence: Rep . John Lewis , D - Ga . , the only living speaker from the 1963 march , fired up Saturday ' s crowd by exhorting them to fight against the Supreme Court ' s decision last June that struck down a key provision of the Voting Rights Act of 1965 .<sep>Span: a key provision
Output:
What was the provision?