user: Question: Which Opposing Team has an Against of 3, and a Date of 11 February 1950?
Columns: ['Opposing Team', 'Against', 'Date', 'Venue', 'Round']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Norwich City', 1.0, '7 January 1950', 'H', '3rd Round']
SQL:

assistant: SELECT "Opposing Team" FROM "Table" WHERE "Against" = 3.0 AND "Date" = '11 February 1950';