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_36460 ( "Name" text, "GP-GS" real, "Gain" real, "Loss" real, "Long" real, "Avg/G" real )

### Question ###
What is the amount of Avg/G with a Name of blaine gabbert and a Long greater than 30?

### Accurate SQL ###

SELECT SUM("Avg/G") FROM table_36460 WHERE "Name" = 'blaine gabbert' AND "Long" > '30'