Conversation so far:
What tours did the band go on?
touring North America with British rock group Coldplay.
What years did they tour?
CANNOTANSWER.
Was the tour successful?
the band sold out for three nights in a row in London, partly due to the success of the single.
How was it promoted?
was put on heavy rotation by Los Angeles radio station KROQ-FM.
In what other ways was it promoted?
Powderfinger performed "My Happiness" live on the Late Show.
Was it promoted elsewhere?
four weeks of airplay on German music video program Viva II.
Is there any fascinating about the tour or promotion?
first Powderfinger song to appear on a Billboard chart.

Question: What number did it reach on the chart?
Self-contained rewrite: What number did Powderfinger's Powderfinger reach on the chart?