CREATE TABLE table_70815 ("Heat" FLOAT, "Lane" FLOAT, "Name" CLOB, "Nationality" CLOB, "Time" CLOB)

What is the average Lane where Belarus is the nationality?
SELECT AVG("Lane") FROM table_70815 WHERE "Nationality" = 'belarus'
SELECT AVG("Lane") FROM "table_70815" WHERE "Nationality" = 'belarus'