user: Question: Which Share has a weekly Rank of 8 and is dated 15 June?
Columns: ['Show', 'Date', 'Official ratings (millions)', 'Weekly rank', 'Share']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['Auditions 1', '9 June', 5.2, '12', '22.7%']
SQL:

assistant: SELECT "Share" FROM "Table" WHERE "Weekly rank" = '8' AND "Date" = '15 June';