Question: What titles were fought for on 1997-04-12?
SQL: SELECT "Titles" FROM "1-12262182-2" WHERE "Date" = '1997-04-12';

Question: What is the date of the match for the Lineal Super lightweight (140)?
SQL: SELECT "Date" FROM "1-12262182-2" WHERE "Titles" = 'Lineal Super lightweight (140)';

Question: What is the date of the match for the WBC Flyweight (112) title?
SQL: SELECT "Date" FROM "1-12262182-2" WHERE "Titles" = 'WBC Flyweight (112)';