Question: What was the time when his opponent was Cleber Luciano?
SQL: SELECT "Time" FROM "2-17445451-2" WHERE "Opponent" = 'Cleber Luciano';

Question: What was the method in round 1 of the UFC 20 event?
SQL: SELECT "Method" FROM "2-17445451-2" WHERE "Round" = 1.0 AND "Event" = 'UFC 20';