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_6279 ( "Runs" real, "Match" real, "City/Country" text, "Venue" text, "Year" real )

### Question ###
Which Runs is the highest one that has a Match larger than 63, and a Venue of national stadium, karachi, and a Year smaller than 1996?

### Accurate SQL ###

SELECT MAX("Runs") FROM table_6279 WHERE "Match" > '63' AND "Venue" = 'national stadium, karachi' AND "Year" < '1996'