question: How long did the feud between Ric Flair and Ricky Steamboat last ?
answer: late 1970s into the early 1990s
turker_answer: The feud between Ric Flair and Ricky Steamboat lasted from the late 1970s into the early 1990s .
rule-based: The feud between Ric Flair and Ricky Steamboat last late 1970s into the early 1990s .