CREATE TABLE table_51342 ("Record" TEXT, "Hard" TEXT, "Clay" TEXT, "Grass" TEXT, "Carpet" TEXT)

Which carpet has a Clay of 1 0 and a Hard 1 1?
SELECT "Carpet" FROM table_51342 WHERE "Clay" = '1–0' AND "Hard" = '1–1'
SELECT "Carpet" FROM "table_51342" WHERE "Clay" = '1–0' AND "Hard" = '1–1'