Number 1 car, Mika Häkkinen, won the 1999 British Grand Prix.
[['[TABLECONTEXT]', '[TITLE]', '1999 British Grand Prix'], ['Mika Häkkinen', 'NUMBER', '1'], ['[TABLECONTEXT]', 'DRIVERS', 'Mika Häkkinen'], ['Mika Häkkinen', 'POSITION', '1']]