Conversation so far:
When did Billy begin Billy Graham's ministry career?
While attending college, Graham became pastor of the United Gospel Tabernacle and also had other preaching engagements.
Where did he work?
Graham briefly served as pastor of the First Baptist Church in Western Springs.
How long did Graham work for the church?
From 1943 to 1944.
What did Graham do for the church during this time period?
Torrey Johnson, pastor of the Midwest Bible Church in Chicago, told Graham that his radio program, Songs in the Night, was about to be canceled due to lack of funding.
Did graham find funding or did the radio show get cancelled?
Graham decided to take over Johnson's program with financial support from his congregation.
What was grahams biggest accomplishment as a minister?
Graham scheduled a series of revival meetings in Los Angeles in 1949, for which he erected circus tents in a parking lot.

Question: What were the circus tents for?
Self-contained rewrite: What were the circus tents for?