CREATE TABLE table_59618 ("Combined" TEXT, "50 yard Freestyle" TEXT, "100 yard Freestyle" TEXT, "200 yard Freestyle" TEXT, "500 yard Freestyle" TEXT, "100 yard Backstroke" TEXT, "100 yard Butterfly" TEXT)

What 500 yard Freestyle has a Combined of palo verde, and a 100 yard Butterfly of edward kollar (douglas)?
SELECT "500 yard Freestyle" FROM table_59618 WHERE "Combined" = 'palo verde' AND "100 yard Butterfly" = 'edward kollar (douglas)'
SELECT "500 yard Freestyle" FROM "table_59618" WHERE "100 yard Butterfly" = 'edward kollar (douglas)' AND "Combined" = 'palo verde'