CREATE TABLE table_237 ("Power Source" CLOB, "Number of Generators" FLOAT, "Power Capacity  ( GW ) " CLOB, "% of total Capacity" CLOB, "Capacity factor" CLOB, "Annual Energy  ( billion kWh ) " CLOB, "% of annual production" CLOB)

What is the percentage of total capacity when the energy is 120.2?
SELECT "% of total Capacity" FROM table_237 WHERE "Annual Energy (billion kWh)" = '120.2'
SELECT "% of total Capacity" FROM "table_237" WHERE "Annual Energy (billion kWh)" = '120.2'