Question. Context: Jackie Ward (born Jacqueline McDonnell, 1941), better known as Robin Ward, is an American singer, regarded as a "one-hit wonder" of 1963 million-selling song "Wonderful Summer". However, using her real name she was highly accomplished and successful singing in groups. Ward's voice is heard in U.S. television series, motion pictures, advertisements, and pop records. She is one of the real singers of the hits attributed to The Partridge Family.

Question: who sang the most wonderful summer of my life?
Answer. Jackie Ward ( born Jacqueline McDonnell , 1941 ) , better known as Robin Ward
What step-by-step reasoning justifies that answer?
Reasoning: The relevant information to answer the above question is: Jackie Ward (born Jacqueline McDonnell, 1941), better known as Robin Ward, is an American singer, regarded as a "one-hit wonder" of 1963 million-selling song "Wonderful Summer".