CREATE TABLE table_39240 ("Polling Firm" CLOB, "Date" CLOB, "Venstre  ( V ) " CLOB, "Social Democrats  ( A ) " CLOB, "Danish People's Party  ( O ) " CLOB, "Socialist People's Party  ( F ) " CLOB, "Conservative People's Party  ( C ) " CLOB, "Social Liberal Party  ( B ) " CLOB, "Liberal Alliance  ( I ) " CLOB, "Red-Green Alliance  ( \\u00d8 ) " CLOB, "Christian Democrats  ( K ) " CLOB, "Government" CLOB, "Opposition" CLOB)

What is the Liberal Alliance that is backed by the Polling Firm, Capacent, and 13.0% of the Socialist People's Party?
SELECT "Liberal Alliance (I)" FROM table_39240 WHERE "Polling Firm" = 'capacent' AND "Socialist People's Party (F)" = '13.0%'
SELECT "Liberal Alliance (I)" FROM "table_39240" WHERE "Polling Firm" = 'capacent' AND "Socialist People's Party (F)" = '13.0%'