Table: boxing_quads
Columns: number
name
titles
date
opponent
result
defenses

Question: How many times was pernell whitaker an opponent?
SQL: SELECT COUNT("date") FROM boxing_quads WHERE "opponent" = 'Pernell Whitaker'

Question: How many times was iran barkley an opponent?
SQL: SELECT "number" FROM boxing_quads WHERE "opponent" = 'Iran Barkley'

Question: Who was the opponent when the result was ud 12/12 and date was 1993-05-22?
SQL: SELECT "opponent" FROM boxing_quads WHERE "result" = 'UD 12/12' AND "date" = '1993-05-22'

Question: How many opponents fought on 1982-12-03?
SQL: SELECT COUNT("opponent") FROM boxing_quads WHERE "date" = '1982-12-03'

Question: What is the name of the title winner in the ring light heavyweight (175) division?
SQL: SELECT "name" FROM boxing_quads WHERE "titles" = 'The Ring Light heavyweight (175)'