CREATE TABLE table_50036 ("Year" FLOAT, "Round" TEXT, "Player" TEXT, "Nationality" TEXT, "Position" TEXT, "College/High School/Club" TEXT)

What is the earliest year of c position player gary bergen?
SELECT MIN("Year") FROM table_50036 WHERE "Position" = 'c' AND "Player" = 'gary bergen'
SELECT MIN("Year") FROM "table_50036" WHERE "Player" = 'gary bergen' AND "Position" = 'c'