user: Question: in what date was aired the first broacast of the episode 1x02
Columns: ['Episode', 'First broadcast', 'Graemes guest', 'Jeremys guest', 'Votes (%)']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1x01', '27 February 1998', 'Maria McErlane', 'Tony Hawks', '75–25']
SQL:

assistant: SELECT "First broadcast" FROM "Table" WHERE "Episode" = '1x02';