CREATE TABLE table_63701 ("Heat" FLOAT, "Lane" FLOAT, "Name" TEXT, "Nationality" TEXT, "Time" TEXT)

What is the sum of the lanes before heat 7 that elizabeth simmonds swam?
SELECT SUM("Lane") FROM table_63701 WHERE "Heat" < '7' AND "Name" = 'elizabeth simmonds'
SELECT SUM("Lane") FROM "table_63701" WHERE "Heat" < '7' AND "Name" = 'elizabeth simmonds'