user: Question: What was the total number of matches that had an outcome of Winner, a partner of John Lloyd, and a Clay surface?
Columns: ['Outcome', 'Year', 'Championship', 'Surface', 'Partner', 'Opponents', 'Score']
Types: ['text', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winner', 1979.0, 'French Open', 'Clay', 'Bob Hewitt', 'Virginia Ruzici Ion Ţiriac', '6–3, 2–6, 6–3']
SQL:

assistant: SELECT COUNT("Opponents") FROM "Table" WHERE "Outcome" = 'Winner' AND "Partner" = 'John Lloyd' AND "Surface" = 'Clay';