CREATE TABLE table_65050 ("Driver" CLOB, "Navigator" CLOB, "Vehicle" CLOB, "Class" CLOB, "Capacity" FLOAT, "Total Time" CLOB, "Margin" CLOB)

What is the average capacity for the vehicle having a navigator of Macneall?
SELECT AVG("Capacity") FROM table_65050 WHERE "Navigator" = 'macneall'
SELECT AVG("Capacity") FROM "table_65050" WHERE "Navigator" = 'macneall'