CREATE TABLE table_36732 ("Year" TEXT, "Champion" TEXT, "Runner-up" TEXT, "Score" TEXT, "Surface" TEXT)

What is the surface of the match with Brian Gottfried as the runner-up?
SELECT "Surface" FROM table_36732 WHERE "Runner-up" = 'brian gottfried'
SELECT "Surface" FROM "table_36732" WHERE "Runner-up" = 'brian gottfried'