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_11 (constituency_number VARCHAR, reserved_for___sc___st__none_ VARCHAR, name VARCHAR)
### Question:
What is the Constituency number for Bikhangaon with a Reserved for ( SC / ST /None) of st?
### Answer:
SELECT constituency_number FROM table_name_11 WHERE reserved_for___sc___st__none_ = "st" AND name = "bikhangaon"