CREATE TABLE table_16441 ("Interregnum began" CLOB, "Interregnum ended" CLOB, "Duration" CLOB, "Count Palatine of Saxony" CLOB, "Count Palatine of the Rhine" CLOB)

What is the number of interregnum for duration 3 months, 6 days?
SELECT COUNT("Interregnum ended") FROM table_16441 WHERE "Duration" = '3 months, 6 days'
SELECT COUNT("Interregnum ended") FROM "table_16441" WHERE "Duration" = '3 months, 6 days'