CREATE TABLE table_12531 ("Game" FLOAT, "Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Location/Attendance" TEXT, "Record" TEXT, "Streak" TEXT)

Which Opponent is on mar 10?
SELECT "Opponent" FROM table_12531 WHERE "Date" = 'mar 10'
SELECT "Opponent" FROM "table_12531" WHERE "Date" = 'mar 10'