Name the number of s /cal mol 1 k 1 for butadiene being 1,2-dimethylene-cyclohexane
CREATE TABLE table_2068719_1 (
    δs_ VARCHAR,
    _butadiene VARCHAR
)
SELECT COUNT(δs_) AS ‡__cal_mol_−1_k_−1 FROM table_2068719_1 WHERE _butadiene = "1,2-dimethylene-cyclohexane"
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: Name the number of s /cal mol 1 k 1 for butadiene being 1,2-dimethylene-cyclohexane ### Input: CREATE TABLE table_2068719_1 (
    δs_ VARCHAR,
    _butadiene VARCHAR
) ### Response: SELECT COUNT(δs_) AS ‡__cal_mol_−1_k_−1 FROM table_2068719_1 WHERE _butadiene = "1,2-dimethylene-cyclohexane"