CREATE TABLE table_69453 ("Number" FLOAT, "Name" TEXT, "Titles" TEXT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT)

What is the highest number of the match with julio c sar v squez as the opponent?
SELECT MAX("Number") FROM table_69453 WHERE "Opponent" = 'julio césar vásquez'
SELECT MAX("Number") FROM "table_69453" WHERE "Opponent" = 'julio césar vásquez'