user: Question: When the name is Badnawar, and the reserved for (sc / st /None) of None what is the constituency number?
Columns: ['Constituency number', 'Name', 'Reserved for ( SC / ST /None)', 'District', 'Number of electorates (2009)']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['196', 'Sardarpur', 'ST', 'Dhar', 134799.0]
SQL:

assistant: SELECT "Constituency number" FROM "Table" WHERE "Reserved for ( SC / ST /None)" = 'None' AND "Name" = 'Badnawar';