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_26 (t__µm_ INTEGER, technology VARCHAR)
### Question:
What is the sum of t (µm), when Technology is MJ?
### Answer:
SELECT SUM(t__µm_) FROM table_name_26 WHERE technology = "mj"