Table:
text: 1966 in Brazilian football
Brazil national team
Brazil national team
Date_ Result_ Score Brazil_scorers Competition
April 17, 1966 W 1-0 João Carlos Severiano Bernardo O`Higgins Cup
April 20, 1966 L 1-2 João Carlos Severiano Bernardo O`Higgins Cup
May 1, 1966 W 2-0 Servílio , Gérson International Friendly (unofficial match)
May 14, 1966 W 3-1 Silva , Servílio , Garrincha International Friendly
May 15, 1966 D 1-1 Rinaldo International Friendly
May 18, 1966 W 1-0 Lima International Friendly
May 19, 1966 W 1-0 Gérson International Friendly
June 4, 1966 W 4-0 Lima (2), Pelé , Paraná International Friendly
June 5, 1966 W 4-1 Tostão (2), Alcindo , Denílson International Friendly

text: 1966 in Brazilian football
Brazil national team
Brazil national team
Date_ Result_ Score Brazil_scorers Competition
June 8, 1966 W 3-1 Fidélis , Tostão , Edu International Friendly
June 8, 1966 W 2-1 Silva , Garrincha International Friendly
June 12, 1966 W 2-1 Pelé (2) International Friendly
June 15, 1966 D 2-2 Pelé , Zito International Friendly
June 21, 1966 W 5-3 Pelé (3), Lima , Amarildo International Friendly (unofficial match)
June 25, 1966 D 1-1 Servílio International Friendly
June 27, 1966 W 8-2 Silva (3), Denílson (2), Dino Sani (2), Tostão International Friendly (unofficial match)
June 30, 1966 W 3-2 Tostão (2), Gérson International Friendly
July 4, 1966 W 4-2 Pelé (2), Garrincha , Lima International Friendly (unofficial match)

Question: What is the result of the international friendly match of the Brazil national football team on May 15, 1966 under 1966 in Brazilian football?