user: Question: WHAT IS THE AVERAGE VOTE FOR dublin south, AND SPOILT SMALLER THAN 3387?
Columns: ['Constituency', 'Electorate', 'Votes', 'Turnout', 'Spoilt', 'Percent Yes']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Cork City', 53019.0, 38850.0, 73.3, 2693.0, 57.4]
SQL:

assistant: SELECT AVG("Votes") FROM "Table" WHERE "Constituency" = 'dublin south' AND "Spoilt" < 3387.0;