user: Question: Which Number of electorates (2009) has 188 Constituents?
Columns: ['Constituency number', 'Name', 'Reserved for ( SC / ST /None)', 'District', 'Number of electorates (2009)']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['183', 'Maheshwar', 'SC', 'Khargone', 156117.0]
SQL:

assistant: SELECT "Number of electorates (2009)" FROM "Table" WHERE "Constituency number" = '188';