Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_49380 ( "Result" text, "Race" text, "Distance" text, "Weight" real, "Winner or 2nd" text, "Pos'n" text )

### Question ###
What is the winner or 2nd of the race with a 2nd pos'n and a weight lighter than 8.1?

### Accurate SQL ###

SELECT "Winner or 2nd" FROM table_49380 WHERE "Pos'n" = '2nd' AND "Weight" < '8.1'