CREATE TABLE table_23522 ("Outcome" TEXT, "Year" FLOAT, "Championship" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponents" TEXT, "Score" TEXT)

Name the least year for evonne goolagong helen gourlay
SELECT MIN("Year") FROM table_23522 WHERE "Opponents" = 'Evonne Goolagong Helen Gourlay'
SELECT MIN("Year") FROM "table_23522" WHERE "Opponents" = 'Evonne Goolagong Helen Gourlay'