CREATE TABLE table_name_20 (area_in_acres__ha_ VARCHAR2, park_name VARCHAR2)

What is the area in acres (ha) for the park bald eagle state park?
SELECT area_in_acres__ha_ FROM table_name_20 WHERE park_name = "bald eagle state park"
SELECT "area_in_acres__ha_" FROM "table_name_20" WHERE "bald eagle state park" = "park_name"