user: Question: What is the rank of Club valencia with a U-17 Caps of 20?
Columns: ['Rank', 'Player', 'Club(s)', 'Year(s)', 'U-17 Caps']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'Ignacio Camacho', 'Atlético Madrid', '2006–2007', 25.0]
SQL:

assistant: SELECT "Rank" FROM "Table" WHERE "Club(s)" = 'valencia' AND "U-17 Caps" = 20.0;