SELECT SUM("Year") FROM table_11371 WHERE "Team" = 'johnson city yankees' AND "Finish" = '6th'
What is the total of the year with a Team of johnson city yankees, and a Finish of 6th?
CREATE TABLE table_11371 (
    "Year" real,
    "Team" text,
    "League" text,
    "Record" text,
    "Finish" text,
    "Organization" text
)