Johnny Galecki. He is known for playing David Healy in the ABC sitcom Roseanne from 1992 - 1997 and Dr. Leonard Hofstadter in the CBS sitcom The Big Bang Theory since 2007.
Johnny Galecki acted in Roseanne for five years.
Johnny Galecki. He is known for playing David Healy in the ABC sitcom Roseanne from 1992 - 1997 and Dr. Leonard Hofstadter in the CBS sitcom The Big Bang Theory since 2007.

Generate a claim based on the evidence above which would have veracity supported
Johnny Galecki acted in Roseanne for five years.
Johnny Galecki. He is known for playing David Healy in the ABC sitcom Roseanne from 1992 - 1997 and Dr. Leonard Hofstadter in the CBS sitcom The Big Bang Theory since 2007.

Generate a claim based on the evidence above which would have veracity supported
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Johnny Galecki acted in Roseanne for five years.
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