U.S. President Barack Obama called into question the number of jobs that would be created from the controversial Keystone XL pipeline in an interview with the New York Times released on Saturday.

“Republicans have said that this would be a big jobs generator,” Obama said, according to the newspaper.

“There is no evidence that that’s true. The most realistic estimates are this might create maybe 2,000 jobs during the construction of the pipeline, which might take a year or two, and then after that we’re talking about somewhere between 50 and 100 jobs in an economy of 150 million working people.”

TransCanada Corp’s proposed pipeline is designed to carry 830,000 barrels of crude oil per day from the Canadian oil sands and the Bakken shale in North Dakota and Montana south to refineries on the U.S. Gulf Coast.