CREATE TABLE table_27252 ("Rank" FLOAT, "WS Points" FLOAT, "Name" TEXT, "Country" TEXT, "09-10 I/O best" FLOAT, "09-10 GP/JGP best" FLOAT, "09-10 GP/JGP 2nd" FLOAT, "09-10 OI best" FLOAT, "09-10 OI 2nd" FLOAT, "08-09 I/O best" FLOAT, "08-09 GP/JGP best" FLOAT, "08-09 GP/JGP 2nd" FLOAT, "08-09 OI best" FLOAT, "08-09 OI 2nd" FLOAT)

What was the maximum 09-10 i/o best?
SELECT MAX("09-10 I/O best") FROM table_27252
SELECT MAX("09-10 I/O best") FROM "table_27252"