CREATE TABLE table_36958 ("Outcome" CLOB, "Date" CLOB, "Location" CLOB, "Surface" CLOB, "Opponent in final" CLOB, "Score" CLOB)

Name the date for clay surface and location of santos, brazil
SELECT "Date" FROM table_36958 WHERE "Surface" = 'clay' AND "Location" = 'santos, brazil'
SELECT "Date" FROM "table_36958" WHERE "Location" = 'santos, brazil' AND "Surface" = 'clay'