Task: Question Answering
Input (English): Context: Teaser : Detroit -- Placido Polanco had three RBI Wednesday and drove in the go - ahead run in the seventh inning to rally Detroit past the Los Angeles Angels 9 - 6 . Story : The Tigers scored four times in the last three innings to slow down the Angels ' sprint to the American League West title . Los Angeles ' magic number to clinch the division crown remained at seven . 
Question: What does Los Angeles ' magic number refer to ?
Output (English): The number of games they need to win to finish in first.