user: Question: What is the lowest episode number with an original airdate on 8 June 2008?
Columns: ['Episode', 'Original airdate', 'Timeslot (approx.)', 'Viewers (millions)', 'Nightly rank']
Types: ['real', 'text', 'text', 'real', 'text']
Sample row: [1.0, '18 May 2008', 'Sunday 6:30–7:30 pm', 1.351, '#5']
SQL:

assistant: SELECT MIN("Episode") FROM "Table" WHERE "Original airdate" = '8 June 2008';