CREATE TABLE table_43357 ("Outcome" TEXT, "Date" TEXT, "Championship" TEXT, "Surface" TEXT, "Opponent" TEXT, "Score" TEXT)

What is the Surface when Todd Woodbridge was the runner-up, and a Date of 24 february 1997?
SELECT "Surface" FROM table_43357 WHERE "Outcome" = 'runner-up' AND "Date" = '24 february 1997'
SELECT "Surface" FROM "table_43357" WHERE "Date" = '24 february 1997' AND "Outcome" = 'runner-up'