Question: What year did General Mills buy out the company in which Charles Pillsbury's grandfather founded?
Sentence (from "General Mills"): The company markets many well-known North American brands, including Annie's Homegrown, Betty Crocker, Yoplait, Colombo, Totino's, Pillsbury, Old El Paso, Häagen-Dazs, Cheerios, Trix, Cocoa Puffs, and Lucky Charms.
Relevant evidence: No