CREATE TABLE table_5132 ("Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent in the Final" CLOB, "Score" CLOB)

Date of january 11, 1998 has what surface?
SELECT "Surface" FROM table_5132 WHERE "Date" = 'january 11, 1998'
SELECT "Surface" FROM "table_5132" WHERE "Date" = 'january 11, 1998'