CREATE TABLE "list_of_boxing_quadruple_or_four_divisio" (
  "number" real,
  "name" text,
  "titles" text,
  "date" text,
  "opponent" text,
  "result" text
);

Question: What is the highest number of the match with julio césar vásquez as the opponent?
SQL: SELECT MAX("number") FROM "list_of_boxing_quadruple_or_four_divisio" WHERE "opponent"='julio césar vásquez';

Question: Who was the opponent of the match on 2006-04-08?
SQL: SELECT "opponent" FROM "list_of_boxing_quadruple_or_four_divisio" WHERE "date"='2006-04-08';

Question: What is the result of the match with Zab Judah as the opponent?
SQL: SELECT "result" FROM "list_of_boxing_quadruple_or_four_divisio" WHERE "opponent"='zab judah';

Question: What is the date of the match with a result of ud 12/12 between Pernell Whitaker and James Mcgirt?
SQL: SELECT "date" FROM "list_of_boxing_quadruple_or_four_divisio" WHERE "result"='ud 12/12' AND "name"='pernell whitaker' AND "opponent"='james mcgirt';