CREATE TABLE "current_pennsylvania_state_parks" (
  "park_name" text,
  "county_or_counties" text,
  "area_in_acres_ha" text,
  "date_founded" real,
  "stream_s_and_or_lake_s" text
);

Question: what is the stream(s) and / or lake(s) when the date founded is 1959?
SQL: SELECT "stream_s_and_or_lake_s" FROM "current_pennsylvania_state_parks" WHERE "date_founded"=1959;

Question: What is the area in acres (ha) for the park bald eagle state park?
SQL: SELECT "area_in_acres_ha" FROM "current_pennsylvania_state_parks" WHERE "park_name"='bald eagle state park';

Question: what is the most recent date founded in elk county?
SQL: SELECT MAX("date_founded") FROM "current_pennsylvania_state_parks" WHERE "county_or_counties"='elk county';

Question: how many parks are name beltzville state park?
SQL: SELECT COUNT("date_founded") FROM "current_pennsylvania_state_parks" WHERE "park_name"='beltzville state park';