When 10% is the percentage of electricity reduction how many sets of universities are there?
CREATE TABLE table_29538735_1 (
    universities VARCHAR,
    _percentage_electricity_reduction VARCHAR
)
SELECT COUNT(universities) FROM table_29538735_1 WHERE _percentage_electricity_reduction = "10%"
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: When 10% is the percentage of electricity reduction how many sets of universities are there? ### Input: CREATE TABLE table_29538735_1 (
    universities VARCHAR,
    _percentage_electricity_reduction VARCHAR
) ### Response: SELECT COUNT(universities) FROM table_29538735_1 WHERE _percentage_electricity_reduction = "10%"