What amount of the university students and adults ehre the the senior high school is 26mm?
CREATE TABLE table_13555999_1 (
    university_students_and_adults__18yrs VARCHAR,
    _ VARCHAR,
    senior_high_school__15_18_yrs_ VARCHAR
)
SELECT university_students_and_adults__18yrs + _ FROM table_13555999_1 WHERE senior_high_school__15_18_yrs_ = "26mm"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What amount of the university students and adults ehre the the senior high school is 26mm? ### Input: CREATE TABLE table_13555999_1 (
    university_students_and_adults__18yrs VARCHAR,
    _ VARCHAR,
    senior_high_school__15_18_yrs_ VARCHAR
) ### Response: SELECT university_students_and_adults__18yrs + _ FROM table_13555999_1 WHERE senior_high_school__15_18_yrs_ = "26mm"