user: Question: What's the value for arizona when colorado and nevada are Nixon, and texas is Humphrey?
Columns: ['Year', 'Arizona', 'California', 'Colorado', 'Nevada', 'New Mexico', 'Oklahoma', 'Texas', 'Utah']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Year', 'Arizona', 'California', 'Colorado', 'Nevada', 'New Mexico', 'Oklahoma', 'Texas', 'Utah']
SQL:

assistant: SELECT "Arizona" FROM "Table" WHERE "Colorado" = 'Nixon' AND "Nevada" = 'Nixon' AND "Texas" = 'Humphrey';