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_86 (number_of_electorates__2009_ INTEGER, district VARCHAR, constituency_number VARCHAR)
### Question:
What was the highest number of 2009 electorates for Raisen when the consituency number was 142?
### Answer:
SELECT MAX(number_of_electorates__2009_) FROM table_name_86 WHERE district = "raisen" AND constituency_number = "142"