<human>: Does "On April 26, 1496 King John I Albert granted the Privilege of Piotrków (Polish: "Przywilej piotrkowski", "konstytucja piotrkowska" or "statuty piotrkowskie"), increasing the nobility's feudal power over serfs." contain the correct answer to "Who granted the privilege of Piotrkow?"
OPTIONS:
- yes
- no
<bot>: yes