CREATE TABLE table_56312 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score" TEXT)

What was the surface type at Takao Suzuki?
SELECT "Surface" FROM table_56312 WHERE "Opponent in the final" = 'takao suzuki'
SELECT "Surface" FROM "table_56312" WHERE "Opponent in the final" = 'takao suzuki'