What is the total number of t (µm), when Technology is u c-si?
CREATE TABLE table_name_67 (t__µm_ VARCHAR, technology VARCHAR)
SELECT COUNT(t__µm_) FROM table_name_67 WHERE technology = "u c-si"
### Context: CREATE TABLE table_name_67 (t__µm_ VARCHAR, technology VARCHAR) ### Question: What is the total number of t (µm), when Technology is u c-si? ### Answer: SELECT COUNT(t__µm_) FROM table_name_67 WHERE technology = "u c-si"