CREATE TABLE table_22756549_1 (runner_up_a VARCHAR, constituency VARCHAR)
SELECT runner_up_a FROM table_22756549_1 WHERE constituency = "Nagapattinam"
ใครคือรองชนะเลิศเขตเลือกตั้งนาคปัตตินัม?
Who was the runner up for the Nagapattinam constituency?