Question: Name the Round that has Res of Win and an Opponent of Demian Maia?
SQL: SELECT SUM("Round") FROM "2-18177589-2" WHERE "Res." = 'Win' AND "Opponent" = 'Demian Maia';

Question: which Event that has an Opponent of Kendall Grove?
SQL: SELECT "Event" FROM "2-18177589-2" WHERE "Opponent" = 'Kendall Grove';

Question: When has an Event of UFC 123?
SQL: SELECT "Time" FROM "2-18177589-2" WHERE "Event" = 'UFC 123';