Question: Is there historic graffiti on Alcatraz?, Answer:Yes, Description of Alcatraz Island: United States historic place, Fact1: Native Americans occupied the island of Alcatraz in 1969., Fact2: Wall writings from the Native American occupation has been preserved and in some cases, restored completely.
Step1: Who were the occupants of the island of Alcatraz in 1969?, Step2: Did #1 make wall writings?, Wikipedia page for step 1: Alcatraz, Wikipedia page for step 2: , not_definitive_answer: False, incorrect_answer: False