Question: El Retiro is a historic site in Lake Wales, Florida, that since 1970 has been part of a national historic landmark that consists of how many acres of garden?
Sentence (from "Puʻukoholā Heiau National Historic Site"): Puʻ ukoholā Heiau National Historic Site is a United States National Historic Site located on the northwestern coast of the island of Hawaiʻ i.
Relevant evidence: No