BENGALURU, July 4 : Australia will bid for a record-extending seventh Women's Twenty20 World Cup title when they face arch-rivals England in Sunday's final at Lord's, with the tournament's two unbeaten teams chasing history on the biggest stage.Six-time champions Australia are seeking to further cement their dominance in the format, while England hope to become the first nation to win two Women's T20 World Cups on home soil after winning the inaugural event they hosted in 2009.Australia booked their place in the final with an eight-wicket victory over West Indies, completing a flawless run of six wins from six matches under new captain Sophie Molineux.Molineux, who succeeded skipper Alyssa Healy earlier this year, has overseen a campaign built on depth rather than dependence on a handful o