CREATE TABLE table_36882 ("Source" CLOB, "Date" CLOB, "MARTIN" CLOB, "GR\\u00dcNE" CLOB, "Others" CLOB, "Undecided" CLOB)

What is the Date that has MARTIN of 7 9% and no Undecided?
SELECT "Date" FROM table_36882 WHERE "Undecided" = '–' AND "MARTIN" = '7–9%'
SELECT "Date" FROM "table_36882" WHERE "MARTIN" = '7–9%' AND "Undecided" = '–'