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_25383715_1 (slno VARCHAR, contact_person VARCHAR)
### Question:
What was the SlNo no of contact person SDE (P), Thiruppattur?
### Answer:
SELECT slno FROM table_25383715_1 WHERE contact_person = "SDE (P), Thiruppattur"