CREATE TABLE table_57662 ("Edition" FLOAT, "Zone" TEXT, "Round" TEXT, "Date" TEXT, "Against" TEXT, "Surface" TEXT, "Opponent" TEXT, "Outcome" TEXT, "Result" TEXT)

What surface was played on against Shahar Pe'er?
SELECT "Surface" FROM table_57662 WHERE "Opponent" = 'shahar pe''er'
SELECT "Surface" FROM "table_57662" WHERE "Opponent" = 'shahar pe\'er'