SELECT "Opponent" FROM table_38727 WHERE "Time" = '1:50'
Which opponent has a time of 1:50?
CREATE TABLE table_38727 (
    "Res." text,
    "Record" text,
    "Opponent" text,
    "Method" text,
    "Event" text,
    "Round" real,
    "Time" text,
    "Location" text
)