CREATE TABLE table_8542 ("Tournament" TEXT, "Surface" TEXT, "Week" TEXT, "Winner and score" TEXT, "Finalist" TEXT, "Semifinalists" TEXT)

Which Surface has a Week of march 1?
SELECT "Surface" FROM table_8542 WHERE "Week" = 'march 1'
SELECT "Surface" FROM "table_8542" WHERE "Week" = 'march 1'