CREATE TABLE table_47125 ("Date" CLOB, "Location" CLOB, "Head coach" CLOB, "Opponent" CLOB, "Result" CLOB)

Who was the opponent when the head coach was B. Sathianathan?
SELECT "Opponent" FROM table_47125 WHERE "Head coach" = 'b. sathianathan'
SELECT "Opponent" FROM "table_47125" WHERE "Head coach" = 'b. sathianathan'