CREATE TABLE table_80039 ("Episode" TEXT, "First aired" TEXT, "Entrepreneur ( s ) " TEXT, "Company or product name" TEXT, "Money requested  ( \\u00a3 ) " FLOAT, "Investing Dragon ( s ) " TEXT)

Who were the Investing Dragons in the episode that first aired on 18 January 2005 with the entrepreneur Tracey Herrtage?
SELECT "Investing Dragon(s)" FROM table_80039 WHERE "First aired" = '18 january 2005' AND "Entrepreneur(s)" = 'tracey herrtage'
SELECT "Investing Dragon(s)" FROM "table_80039" WHERE "Entrepreneur(s)" = 'tracey herrtage' AND "First aired" = '18 january 2005'