CREATE TABLE table_49037 ("Date" FLOAT, "Tournament" CLOB, "Surface" CLOB, "Partnering" CLOB, "Opponent in the final" CLOB, "Score" CLOB)

Where was the tournament that happened in 1987 on a clay surface?
SELECT "Tournament" FROM table_49037 WHERE "Date" = '1987' AND "Surface" = 'clay'
SELECT "Tournament" FROM "table_49037" WHERE "Date" = '1987' AND "Surface" = 'clay'