Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_20 (unit INTEGER, aircraft VARCHAR, location VARCHAR)
### Question:
What is the Unit for the Aircraft F.e.2b, located in Logeast?
### Answer:
SELECT SUM(unit) FROM table_name_20 WHERE aircraft = "f.e.2b" AND location = "logeast"