CREATE TABLE table_48300 ("Outcome" CLOB, "Date" CLOB, "Location" CLOB, "Surface" CLOB, "Opponent in final" CLOB, "Score" CLOB)

What is Surface, when Date is 2 May 1999?
SELECT "Surface" FROM table_48300 WHERE "Date" = '2 may 1999'
SELECT "Surface" FROM "table_48300" WHERE "Date" = '2 may 1999'