CREATE TABLE table_59628 ("Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponents in the final" CLOB, "Score" CLOB)

What is the surface when the partner was Robert Haybittel?
SELECT "Surface" FROM table_59628 WHERE "Partner" = 'robert haybittel'
SELECT "Surface" FROM "table_59628" WHERE "Partner" = 'robert haybittel'