CREATE TABLE table_47644 ("Year" FLOAT, "Championship" CLOB, "Winning score" CLOB, "Margin" CLOB, "Runner ( s ) -up" CLOB)

Which year was the peter jackson classic?
SELECT "Year" FROM table_47644 WHERE "Championship" = 'peter jackson classic'
SELECT "Year" FROM "table_47644" WHERE "Championship" = 'peter jackson classic'