CREATE TABLE table_name_93 (number_of_electorates__2009_ VARCHAR2, constituency_number VARCHAR2)

Which Number of electorates (2009) has 188 Constituents?
SELECT number_of_electorates__2009_ FROM table_name_93 WHERE constituency_number = "188"
SELECT "number_of_electorates__2009_" FROM "table_name_93" WHERE "188" = "constituency_number"