CREATE TABLE table_68481 ("Episode" TEXT, "First aired" TEXT, "Entrepreneur ( s ) " TEXT, "Company or product name" TEXT, "Money requested  ( \\u00a3 ) " TEXT, "Investing Dragon ( s ) " TEXT)

What episode featured entrepreneur Richard Ernest?
SELECT "First aired" FROM table_68481 WHERE "Entrepreneur(s)" = 'richard ernest'
SELECT "First aired" FROM "table_68481" WHERE "Entrepreneur(s)" = 'richard ernest'