user: Question: What is the Reserved for (SC / ST /None) when the number of electorates (2009) is more than 237560, and the constituency number is 48?
Columns: ['Constituency number', 'Name', 'Reserved for ( SC / ST /None)', 'District', 'Number of electorates (2009)']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['48', 'Katol', 'None', 'Nagpur', 245811.0]
SQL:

assistant: SELECT "Reserved for ( SC / ST /None)" FROM "Table" WHERE "Number of electorates (2009)" > 237560.0 AND "Constituency number" = '48';