One
Jessica Ennis currently had no Olympic medals.
She won the Heptathlon Gold Medal and did not compete in the other Athletic events finals
jessica ennis has won 100 gold 50 silver 1 bronzw
Ennis has not yet won an Olympic medal.
Jessica Ennis won a Gold Medal only for the Women's heptathlon
There was not an Olympics in Belguim
One a Gold medal for the Heptathlon at the 2012 Olympics
8 Medals are listed in Wikipedia. Only 1 Gold Medal at the 2012 Olympics for the Heptathlon and 7 other Gold silver and Bronze medals for the same events or the Pentathlon at the World Indoor Championships, European Championships, Commonwealth Games, Summer Universiade, & World Championships
3 medals
Romania won only 9 medals in 2012.
320 gold medals will be given out at the 2012 Olympics.