CREATE TABLE table_35419 ("Name" TEXT, "Innhabitants" FLOAT, "Area" FLOAT, "Mayor" TEXT, "Party" TEXT, "Municipal code" FLOAT, "Language form" TEXT)

How many people did Mayor Olav Martin Vik preside over?
SELECT AVG("Innhabitants") FROM table_35419 WHERE "Mayor" = 'olav martin vik'
SELECT AVG("Innhabitants") FROM "table_35419" WHERE "Mayor" = 'olav martin vik'