user: Question: in electorate of 83850 what is the minimum s split vote
Columns: ['Constituency', 'Electorate', 's Spoilt vote', 'Total poll (%)', 'For (%)', 'Against (%)']
Types: ['text', 'real', 'real', 'text', 'text', 'text']
Sample row: ['Carlow–Kilkenny', 103397.0, 228.0, '52,644 (51)', '26,210 (50)', '26,206 (50)']
SQL:

assistant: SELECT MIN("s Spoilt vote") FROM "Table" WHERE "Electorate" = 83850.0;