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_name_45 (roll VARCHAR, decile VARCHAR, name VARCHAR)
### Question:
What is the roll number of Poroti school, which has a 6 decile?
### Answer:
SELECT roll FROM table_name_45 WHERE decile = "6" AND name = "poroti school"