Query: On what date was John Spenkelink executed?
Context: The moratorium ended on January 17, 1977 with the shooting of Gary Gilmore by firing squad in Utah. The first use of the electric chair after the moratorium was the electrocution of John Spenkelink in Florida on May 25, 1979. The first use of the gas chamber after the moratorium was the gassing of Jesse Bishop in Nevada on October 22, 1979.